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1143792400 = 2452192892
BaseRepresentation
bin100010000101100…
…1110001100010000
32221201020200012111
41010023032030100
54320302324100
6305255235104
740226034502
oct10413161420
92851220174
101143792400
11537706183
1227b078a94
13152c7474a
14abc9bd72
156a6366ba
hex442ce310

1143792400 has 135 divisors (see below), whose sum is σ = 2933155551. Its totient is φ = 428567040.

The previous prime is 1143792371. The next prime is 1143792421. The reversal of 1143792400 is 42973411.

The square root of 1143792400 is 33820.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 238023184 + 905769216 = 15428^2 + 30096^2 .

It is a super-2 number, since 2×11437924002 = 2616522108595520000, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12851556 + ... + 12851644.

Almost surely, 21143792400 is an apocalyptic number.

1143792400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143792400 is the 33820-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143792400

1143792400 is an abundant number, since it is smaller than the sum of its proper divisors (1789363151).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143792400 is an equidigital number, since it uses as much as digits as its factorization.

1143792400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The cubic root of 1143792400 is about 1045.8010387041.

The spelling of 1143792400 in words is "one billion, one hundred forty-three million, seven hundred ninety-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 89 95 100 152 178 190 200 304 356 361 380 400 445 475 712 722 760 890 950 1424 1444 1520 1691 1780 1805 1900 2225 2888 3382 3560 3610 3800 4450 5776 6764 7120 7220 7600 7921 8455 8900 9025 13528 14440 15842 16910 17800 18050 27056 28880 31684 32129 33820 35600 36100 39605 42275 63368 64258 67640 72200 79210 84550 126736 128516 135280 144400 150499 158420 160645 169100 198025 257032 300998 316840 321290 338200 396050 514064 601996 633680 642580 676400 752495 792100 803225 1203992 1285160 1504990 1584200 1606450 2407984 2570320 2859481 3009980 3168400 3212900 3762475 5718962 6019960 6425800 7524950 11437924 12039920 12851600 14297405 15049900 22875848 28594810 30099800 45751696 57189620 60199600 71487025 114379240 142974050 228758480 285948100 571896200 1143792400