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157083187 is a prime number
BaseRepresentation
bin10010101110011…
…10011000110011
3101221120122121211
421113032120303
5310203130222
623330500551
73615120322
oct1127163063
9357518554
10157083187
118073aa18
1244734757
132670bc41
1416c100b9
15dbcd277
hex95ce633

157083187 has 2 divisors, whose sum is σ = 157083188. Its totient is φ = 157083186.

The previous prime is 157083163. The next prime is 157083197. The reversal of 157083187 is 781380751.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-157083187 is a prime.

It is not a weakly prime, because it can be changed into another prime (157083197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78541593 + 78541594.

It is an arithmetic number, because the mean of its divisors is an integer number (78541594).

Almost surely, 2157083187 is an apocalyptic number.

157083187 is a deficient number, since it is larger than the sum of its proper divisors (1).

157083187 is an equidigital number, since it uses as much as digits as its factorization.

157083187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 157083187 is about 12533.2831692259. The cubic root of 157083187 is about 539.5643342469.

The spelling of 157083187 in words is "one hundred fifty-seven million, eighty-three thousand, one hundred eighty-seven".