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161469374 = 21122733229
BaseRepresentation
bin10011001111111…
…01001110111110
3102020211111100012
421213331032332
5312314004444
624004503222
74000316123
oct1147751676
9366744305
10161469374
1183166370
12460aab12
13275b6511
141763274a
15e297b9e
hex99fd3be

161469374 has 16 divisors (see below), whose sum is σ = 264420720. Its totient is φ = 73340160.

The previous prime is 161469367. The next prime is 161469389. The reversal of 161469374 is 473964161.

It is a super-3 number, since 3×1614693743 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48392 + ... + 51620.

It is an arithmetic number, because the mean of its divisors is an integer number (16526295).

Almost surely, 2161469374 is an apocalyptic number.

161469374 is a deficient number, since it is larger than the sum of its proper divisors (102951346).

161469374 is a wasteful number, since it uses less digits than its factorization.

161469374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515.

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

The square root of 161469374 is about 12707.0600061541. The cubic root of 161469374 is about 544.5403345781.

The spelling of 161469374 in words is "one hundred sixty-one million, four hundred sixty-nine thousand, three hundred seventy-four".

Divisors: 1 2 11 22 2273 3229 4546 6458 25003 35519 50006 71038 7339517 14679034 80734687 161469374