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157133000 = 2353157133
BaseRepresentation
bin10010101110110…
…10100011001000
3101221200011221202
421113122203020
5310211224000
623331523332
73615415463
oct1127324310
9357604852
10157133000
1180774392
1244759548
132672880b
1416c242da
15dbdcdd5
hex95da8c8

157133000 has 32 divisors (see below), whose sum is σ = 367693560. Its totient is φ = 62852800.

The previous prime is 157132999. The next prime is 157133003. The reversal of 157133000 is 331751.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15665764 + 141467236 = 3958^2 + 11894^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (157133003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77567 + ... + 79566.

Almost surely, 2157133000 is an apocalyptic number.

157133000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157133000 is an abundant number, since it is smaller than the sum of its proper divisors (210560560).

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

157133000 is a wasteful number, since it uses less digits than its factorization.

157133000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157154 (or 157140 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 157133000 is about 12535.2702404057. The cubic root of 157133000 is about 539.6213623693.

Adding to 157133000 its reverse (331751), we get a palindrome (157464751).

The spelling of 157133000 in words is "one hundred fifty-seven million, one hundred thirty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 157133 314266 628532 785665 1257064 1571330 3142660 3928325 6285320 7856650 15713300 19641625 31426600 39283250 78566500 157133000