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157418400 = 25352107613
BaseRepresentation
bin10010110001000…
…00001110100000
3101222012200110010
421120200032200
5310244342100
623342004520
73621014526
oct1130401640
9358180403
10157418400
1180949857
1244876740
13267c86a9
1416c9a316
15dc47750
hex96203a0

157418400 has 144 divisors (see below), whose sum is σ = 518029344. Its totient is φ = 41518080.

The previous prime is 157418389. The next prime is 157418407. The reversal of 157418400 is 4814751.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (157418407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256494 + ... + 257106.

It is an arithmetic number, because the mean of its divisors is an integer number (3597426).

Almost surely, 2157418400 is an apocalyptic number.

157418400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157418400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259014672).

157418400 is an abundant number, since it is smaller than the sum of its proper divisors (360610944).

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

157418400 is a wasteful number, since it uses less digits than its factorization.

157418400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 157418400 is about 12546.6489549999. The cubic root of 157418400 is about 539.9478687672.

The spelling of 157418400 in words is "one hundred fifty-seven million, four hundred eighteen thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 107 120 150 160 200 214 240 300 321 400 428 480 535 600 613 642 800 856 1070 1200 1226 1284 1605 1712 1839 2140 2400 2452 2568 2675 3065 3210 3424 3678 4280 4904 5136 5350 6130 6420 7356 8025 8560 9195 9808 10272 10700 12260 12840 14712 15325 16050 17120 18390 19616 21400 24520 25680 29424 30650 32100 36780 42800 45975 49040 51360 58848 61300 64200 65591 73560 85600 91950 98080 122600 128400 131182 147120 183900 196773 245200 256800 262364 294240 327955 367800 393546 490400 524728 655910 735600 787092 983865 1049456 1311820 1471200 1574184 1639775 1967730 2098912 2623640 3148368 3279550 3935460 4919325 5247280 6296736 6559100 7870920 9838650 10494560 13118200 15741840 19677300 26236400 31483680 39354600 52472800 78709200 157418400