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356985942 = 2389668513
BaseRepresentation
bin10101010001110…
…010110001010110
3220212201202122120
4111101302301112
51212342022232
655231240410
711563221225
oct2521626126
9825652576
10356985942
11173566905
129b679106
1358c60bb1
14355a8cbc
152151892c
hex15472c56

356985942 has 16 divisors (see below), whose sum is σ = 721995120. Its totient is φ = 117658112.

The previous prime is 356985929. The next prime is 356985947. The reversal of 356985942 is 249589653.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356985947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333723 + ... + 334790.

It is an arithmetic number, because the mean of its divisors is an integer number (45124695).

Almost surely, 2356985942 is an apocalyptic number.

356985942 is an abundant number, since it is smaller than the sum of its proper divisors (365009178).

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

356985942 is a wasteful number, since it uses less digits than its factorization.

356985942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668607.

The product of its digits is 2332800, while the sum is 51.

The square root of 356985942 is about 18894.0716098992. The cubic root of 356985942 is about 709.3877827708.

The spelling of 356985942 in words is "three hundred fifty-six million, nine hundred eighty-five thousand, nine hundred forty-two".

Divisors: 1 2 3 6 89 178 267 534 668513 1337026 2005539 4011078 59497657 118995314 178492971 356985942