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157488645 = 3510499243
BaseRepresentation
bin10010110001100…
…01011000000101
3101222100020210210
421120301120011
5310304114040
623343310033
73621426366
oct1130613005
9358306723
10157488645
1180997606
12448ab319
1326821662
1416cb7b6d
15dc5d480
hex9631605

157488645 has 8 divisors (see below), whose sum is σ = 251981856. Its totient is φ = 83993936.

The previous prime is 157488637. The next prime is 157488673. The reversal of 157488645 is 546884751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157488645 - 23 = 157488637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157488594 and 157488603.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 5249607 + ... + 5249636.

It is an arithmetic number, because the mean of its divisors is an integer number (31497732).

Almost surely, 2157488645 is an apocalyptic number.

157488645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157488645 is a deficient number, since it is larger than the sum of its proper divisors (94493211).

157488645 is a wasteful number, since it uses less digits than its factorization.

157488645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10499251.

The product of its digits is 1075200, while the sum is 48.

The square root of 157488645 is about 12549.4479958283. The cubic root of 157488645 is about 540.0281706840.

The spelling of 157488645 in words is "one hundred fifty-seven million, four hundred eighty-eight thousand, six hundred forty-five".

Divisors: 1 3 5 15 10499243 31497729 52496215 157488645