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165053320 = 2354126333
BaseRepresentation
bin10011101011010…
…00001110001000
3102111120120120221
421311220032020
5314223201240
624213355424
74042634005
oct1165501610
9374516527
10165053320
1185194003
1247338b74
132826c8b3
1417cc68ac
15e754a4a
hex9d68388

165053320 has 16 divisors (see below), whose sum is σ = 371370060. Its totient is φ = 66021312.

The previous prime is 165053309. The next prime is 165053327. The reversal of 165053320 is 23350561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 164403684 + 649636 = 12822^2 + 806^2 .

It is not an unprimeable number, because it can be changed into a prime (165053327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063127 + ... + 2063206.

Almost surely, 2165053320 is an apocalyptic number.

165053320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165053320 is an abundant number, since it is smaller than the sum of its proper divisors (206316740).

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

165053320 is a wasteful number, since it uses less digits than its factorization.

165053320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126344 (or 4126340 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 165053320 is about 12847.3078892039. The cubic root of 165053320 is about 548.5397296653.

The spelling of 165053320 in words is "one hundred sixty-five million, fifty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 4126333 8252666 16505332 20631665 33010664 41263330 82526660 165053320