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157419954 = 2328745553
BaseRepresentation
bin10010110001000…
…00100110110010
3101222012202120200
421120200212302
5310244414304
623342020030
73621022206
oct1130404662
9358182520
10157419954
118094aa3a
1244877616
13267c9303
1416c9ab06
15dc47e39
hex96209b2

157419954 has 12 divisors (see below), whose sum is σ = 341076606. Its totient is φ = 52473312.

The previous prime is 157419919. The next prime is 157419973. The reversal of 157419954 is 459914751.

It can be written as a sum of positive squares in only one way, i.e., 149450625 + 7969329 = 12225^2 + 2823^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 5 ways as a sum of consecutive naturals, for example, 4372759 + ... + 4372794.

Almost surely, 2157419954 is an apocalyptic number.

157419954 is an abundant number, since it is smaller than the sum of its proper divisors (183656652).

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

157419954 is a wasteful number, since it uses less digits than its factorization.

157419954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8745561 (or 8745558 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 157419954 is about 12546.7108837336. The cubic root of 157419954 is about 539.9496455104.

It can be divided in two parts, 1574 and 19954, that added together give a triangular number (21528 = T207).

The spelling of 157419954 in words is "one hundred fifty-seven million, four hundred nineteen thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 9 18 8745553 17491106 26236659 52473318 78709977 157419954