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164676290 = 25791491399
BaseRepresentation
bin10011101000011…
…00001011000010
3102110212102101212
421310030023002
5314124120130
624201330122
74036503542
oct1164141302
9373772355
10164676290
1184a56809
1247196942
132816a0bc
1417c29322
15e6cce95
hex9d0c2c2

164676290 has 32 divisors (see below), whose sum is σ = 302400000. Its totient is φ = 64554048.

The previous prime is 164676289. The next prime is 164676293. The reversal of 164676290 is 92676461.

It is not an unprimeable number, because it can be changed into a prime (164676293) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 117011 + ... + 118409.

It is an arithmetic number, because the mean of its divisors is an integer number (9450000).

Almost surely, 2164676290 is an apocalyptic number.

164676290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164676290 is a deficient number, since it is larger than the sum of its proper divisors (137723710).

164676290 is a wasteful number, since it uses less digits than its factorization.

164676290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 164676290 is about 12832.6259978229. The cubic root of 164676290 is about 548.1217362346.

The spelling of 164676290 in words is "one hundred sixty-four million, six hundred seventy-six thousand, two hundred ninety".

Divisors: 1 2 5 10 79 149 158 298 395 745 790 1399 1490 2798 6995 11771 13990 23542 58855 110521 117710 208451 221042 416902 552605 1042255 1105210 2084510 16467629 32935258 82338145 164676290