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157609648 = 2471407229
BaseRepresentation
bin10010110010011…
…10111010110000
3101222120101210101
421121032322300
5310322002043
623350042144
73622442230
oct1131167260
9358511711
10157609648
1180a6a509
1244949354
1326864761
1416d09cc0
15dc8424d
hex964eeb0

157609648 has 20 divisors (see below), whose sum is σ = 348993040. Its totient is φ = 67546944.

The previous prime is 157609643. The next prime is 157609657. The reversal of 157609648 is 846906751.

157609648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1576096482 = 49681602285367808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157609598 and 157609607.

It is not an unprimeable number, because it can be changed into a prime (157609643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703503 + ... + 703726.

It is an arithmetic number, because the mean of its divisors is an integer number (17449652).

Almost surely, 2157609648 is an apocalyptic number.

It is an amenable number.

157609648 is an abundant number, since it is smaller than the sum of its proper divisors (191383392).

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

157609648 is a wasteful number, since it uses less digits than its factorization.

157609648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407244 (or 1407238 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 157609648 is about 12554.2681188511. The cubic root of 157609648 is about 540.1664416059.

The spelling of 157609648 in words is "one hundred fifty-seven million, six hundred nine thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 1407229 2814458 5628916 9850603 11257832 19701206 22515664 39402412 78804824 157609648