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157115714 = 27234091193
BaseRepresentation
bin10010101110101…
…10010101000010
3101221122022020112
421113112111002
5310210200324
623331311322
73615314210
oct1127262502
9357568215
10157115714
11807623a8
124474b542
13267209a2
1416c1bcb0
15dbd7c0e
hex95d6542

157115714 has 32 divisors (see below), whose sum is σ = 281975040. Its totient is φ = 64196352.

The previous prime is 157115713. The next prime is 157115723. The reversal of 157115714 is 417511751.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157115713) 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 15 ways as a sum of consecutive naturals, for example, 131102 + ... + 132294.

It is an arithmetic number, because the mean of its divisors is an integer number (8811720).

Almost surely, 2157115714 is an apocalyptic number.

157115714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

157115714 is a deficient number, since it is larger than the sum of its proper divisors (124859326).

157115714 is a wasteful number, since it uses less digits than its factorization.

157115714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634.

The product of its digits is 4900, while the sum is 32.

The square root of 157115714 is about 12534.5807269330. The cubic root of 157115714 is about 539.6015739587.

The spelling of 157115714 in words is "one hundred fifty-seven million, one hundred fifteen thousand, seven hundred fourteen".

Divisors: 1 2 7 14 23 46 161 322 409 818 1193 2386 2863 5726 8351 9407 16702 18814 27439 54878 65849 131698 192073 384146 487937 975874 3415559 6831118 11222551 22445102 78557857 157115714