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161995314 = 231310120563
BaseRepresentation
bin10011010011111…
…01101000110010
3102021211012210110
421221331220302
5312432322224
624024042150
74004636355
oct1151755062
9367735713
10161995314
1183495528
1246303356
132773ba20
141772c29c
15e34d929
hex9a7da32

161995314 has 32 divisors (see below), whose sum is σ = 352384704. Its totient is φ = 49348800.

The previous prime is 161995307. The next prime is 161995373. The reversal of 161995314 is 413599161.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2404 + ... + 18159.

It is an arithmetic number, because the mean of its divisors is an integer number (11012022).

Almost surely, 2161995314 is an apocalyptic number.

161995314 is an abundant number, since it is smaller than the sum of its proper divisors (190389390).

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

161995314 is a wasteful number, since it uses less digits than its factorization.

161995314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20682.

The product of its digits is 29160, while the sum is 39.

The square root of 161995314 is about 12727.7379765613. The cubic root of 161995314 is about 545.1309216094.

The spelling of 161995314 in words is "one hundred sixty-one million, nine hundred ninety-five thousand, three hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 101 202 303 606 1313 2626 3939 7878 20563 41126 61689 123378 267319 534638 801957 1603914 2076863 4153726 6230589 12461178 26999219 53998438 80997657 161995314