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164485236 = 22323595961
BaseRepresentation
bin10011100110111…
…01100001110100
3102110111201022210
421303131201310
5314102011421
624153253420
74035046536
oct1163354164
9373451283
10164485236
1184936213
1247104270
1328101156
1417bb9856
15e691576
hex9cdd874

164485236 has 24 divisors (see below), whose sum is σ = 400486464. Its totient is φ = 52444480.

The previous prime is 164485231. The next prime is 164485249. The reversal of 164485236 is 632584461.

It is a junction number, because it is equal to n+sod(n) for n = 164485194 and 164485203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164485231) 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, 297705 + ... + 298256.

It is an arithmetic number, because the mean of its divisors is an integer number (16686936).

Almost surely, 2164485236 is an apocalyptic number.

It is an amenable number.

164485236 is an abundant number, since it is smaller than the sum of its proper divisors (236001228).

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

164485236 is a wasteful number, since it uses less digits than its factorization.

164485236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595991 (or 595989 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 164485236 is about 12825.1797648220. The cubic root of 164485236 is about 547.9096810674.

The spelling of 164485236 in words is "one hundred sixty-four million, four hundred eighty-five thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 595961 1191922 1787883 2383844 3575766 7151532 13707103 27414206 41121309 54828412 82242618 164485236