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242646432 = 253737369
BaseRepresentation
bin11100111011001…
…11110110100000
3121220120201022220
432131213312200
5444104141212
640024431040
76004314000
oct1635476640
9556521286
10242646432
11114a70946
1269318480
133b369592
1424324000
151648038c
hexe767da0

242646432 has 96 divisors (see below), whose sum is σ = 742896000. Its totient is φ = 69318144.

The previous prime is 242646431. The next prime is 242646449. The reversal of 242646432 is 234646242.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 242646393 and 242646402.

It is not an unprimeable number, because it can be changed into a prime (242646431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29244 + ... + 36612.

It is an arithmetic number, because the mean of its divisors is an integer number (7738500).

Almost surely, 2242646432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242646432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371448000).

242646432 is an abundant number, since it is smaller than the sum of its proper divisors (500249568).

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

242646432 is an equidigital number, since it uses as much as digits as its factorization.

242646432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403 (or 7381 counting only the distinct ones).

The product of its digits is 55296, while the sum is 33.

The square root of 242646432 is about 15577.1124410142. The cubic root of 242646432 is about 623.7223452437.

The spelling of 242646432 in words is "two hundred forty-two million, six hundred forty-six thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 343 392 588 672 686 784 1029 1176 1372 1568 2058 2352 2744 4116 4704 5488 7369 8232 10976 14738 16464 22107 29476 32928 44214 51583 58952 88428 103166 117904 154749 176856 206332 235808 309498 353712 361081 412664 618996 707424 722162 825328 1083243 1237992 1444324 1650656 2166486 2475984 2527567 2888648 4332972 4951968 5055134 5777296 7582701 8665944 10110268 11554592 15165402 17331888 20220536 30330804 34663776 40441072 60661608 80882144 121323216 242646432