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357129942 = 23134578589
BaseRepresentation
bin10101010010010…
…101111011010110
3220220000002011220
4111102111323112
51212411124232
655234311210
711564361111
oct2522257326
9826002156
10357129942
11173655014
129b728506
1358cb15c0
1435605578
152154642c
hex15495ed6

357129942 has 16 divisors (see below), whose sum is σ = 769203120. Its totient is φ = 109886112.

The previous prime is 357129937. The next prime is 357129959. The reversal of 357129942 is 249921753.

It is a junction number, because it is equal to n+sod(n) for n = 357129894 and 357129903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2289217 + ... + 2289372.

It is an arithmetic number, because the mean of its divisors is an integer number (48075195).

Almost surely, 2357129942 is an apocalyptic number.

357129942 is an abundant number, since it is smaller than the sum of its proper divisors (412073178).

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

357129942 is a wasteful number, since it uses less digits than its factorization.

357129942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578607.

The product of its digits is 136080, while the sum is 42.

The square root of 357129942 is about 18897.8819448106. The cubic root of 357129942 is about 709.4831535745.

It can be divided in two parts, 35712 and 9942, that added together give a palindrome (45654).

The spelling of 357129942 in words is "three hundred fifty-seven million, one hundred twenty-nine thousand, nine hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 4578589 9157178 13735767 27471534 59521657 119043314 178564971 357129942