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165344480 = 2557147629
BaseRepresentation
bin10011101101011…
…11010011100000
3102112010100222122
421312233103200
5314312010410
624223523412
74045255610
oct1166572340
9375110878
10165344480
1185372834
1247459568
1328342292
1417d60a40
15e7b0e55
hex9daf4e0

165344480 has 48 divisors (see below), whose sum is σ = 446433120. Its totient is φ = 56689152.

The previous prime is 165344477. The next prime is 165344497. The reversal of 165344480 is 84443561.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 165344480.

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, 72695 + ... + 74934.

It is an arithmetic number, because the mean of its divisors is an integer number (9300690).

Almost surely, 2165344480 is an apocalyptic number.

165344480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165344480 is an abundant number, since it is smaller than the sum of its proper divisors (281088640).

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

165344480 is a wasteful number, since it uses less digits than its factorization.

165344480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147651 (or 147643 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 165344480 is about 12858.6344531603. The cubic root of 165344480 is about 548.8620881342.

The spelling of 165344480 in words is "one hundred sixty-five million, three hundred forty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 147629 295258 590516 738145 1033403 1181032 1476290 2066806 2362064 2952580 4133612 4724128 5167015 5905160 8267224 10334030 11810320 16534448 20668060 23620640 33068896 41336120 82672240 165344480