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157489125 = 353461911
BaseRepresentation
bin10010110001100…
…01011111100101
3101222100021110120
421120301133211
5310304123000
623343312153
73621430653
oct1130613745
9358307416
10157489125
1180997a02
12448ab659
1326821941
1416cb7dd3
15dc5d6a0
hex96317e5

157489125 has 32 divisors (see below), whose sum is σ = 262918656. Its totient is φ = 83720000.

The previous prime is 157489109. The next prime is 157489187. The reversal of 157489125 is 521984751.

It is not a de Polignac number, because 157489125 - 24 = 157489109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172420 + ... + 173330.

It is an arithmetic number, because the mean of its divisors is an integer number (8216208).

Almost surely, 2157489125 is an apocalyptic number.

157489125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157489125 is a deficient number, since it is larger than the sum of its proper divisors (105429531).

157489125 is an equidigital number, since it uses as much as digits as its factorization.

157489125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390 (or 1380 counting only the distinct ones).

The product of its digits is 100800, while the sum is 42.

The square root of 157489125 is about 12549.4671201609. The cubic root of 157489125 is about 540.0287193230.

The spelling of 157489125 in words is "one hundred fifty-seven million, four hundred eighty-nine thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 461 911 1383 2305 2733 4555 6915 11525 13665 22775 34575 57625 68325 113875 172875 341625 419971 1259913 2099855 6299565 10499275 31497825 52496375 157489125