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389168294 = 23753671481
BaseRepresentation
bin10111001100100…
…011110010100110
31000010021210112112
4113030203302212
51244111341134
6102341121022
712433606304
oct2714436246
91003253475
10389168294
1118a747999
12aa3b9172
136281b2c8
1439985274
15242741ce
hex17323ca6

389168294 has 32 divisors (see below), whose sum is σ = 620377056. Its totient is φ = 182856960.

The previous prime is 389168293. The next prime is 389168333. The reversal of 389168294 is 492861983.

It is a happy number.

It is a super-2 number, since 2×3891682942 = 302903922109740872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389168291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262034 + ... + 263514.

It is an arithmetic number, because the mean of its divisors is an integer number (19386783).

Almost surely, 2389168294 is an apocalyptic number.

389168294 is a deficient number, since it is larger than the sum of its proper divisors (231208762).

389168294 is a wasteful number, since it uses less digits than its factorization.

389168294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640.

The product of its digits is 746496, while the sum is 50.

The square root of 389168294 is about 19727.3488842267. The cubic root of 389168294 is about 730.0946233757.

The spelling of 389168294 in words is "three hundred eighty-nine million, one hundred sixty-eight thousand, two hundred ninety-four".

Divisors: 1 2 37 53 67 74 106 134 1481 1961 2479 2962 3551 3922 4958 7102 54797 78493 99227 109594 131387 156986 198454 262774 2904241 3671399 5259031 5808482 7342798 10518062 194584147 389168294