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157124856 = 23374492083
BaseRepresentation
bin10010101110110…
…00100011111000
3101221122202210010
421113120203320
5310210443411
623331421520
73615352650
oct1127304370
9357582703
10157124856
1180769259
12447548a0
1326724bb5
1416c21360
15dbda7a6
hex95d88f8

157124856 has 64 divisors (see below), whose sum is σ = 450144000. Its totient is φ = 44771328.

The previous prime is 157124831. The next prime is 157124857. The reversal of 157124856 is 658421751.

157124856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157124857) 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, 74391 + ... + 76473.

It is an arithmetic number, because the mean of its divisors is an integer number (7033500).

Almost surely, 2157124856 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 157124856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225072000).

157124856 is an abundant number, since it is smaller than the sum of its proper divisors (293019144).

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

157124856 is a wasteful number, since it uses less digits than its factorization.

157124856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548 (or 2544 counting only the distinct ones).

The product of its digits is 67200, while the sum is 39.

The square root of 157124856 is about 12534.9453927809. The cubic root of 157124856 is about 539.6120395826.

The spelling of 157124856 in words is "one hundred fifty-seven million, one hundred twenty-four thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 449 898 1347 1796 2083 2694 3143 3592 4166 5388 6249 6286 8332 9429 10776 12498 12572 14581 16664 18858 24996 25144 29162 37716 43743 49992 58324 75432 87486 116648 174972 349944 935267 1870534 2805801 3741068 5611602 6546869 7482136 11223204 13093738 19640607 22446408 26187476 39281214 52374952 78562428 157124856