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149674844 = 221113192579
BaseRepresentation
bin10001110101111…
…01101101011100
3101102122021021202
420322331231130
5301304043334
622504015032
73465133544
oct1072755534
9342567252
10149674844
117753aa20
1242161478
1325016bc7
1415c42324
15d21817e
hex8ebdb5c

149674844 has 24 divisors (see below), whose sum is σ = 286070400. Its totient is φ = 67956080.

The previous prime is 149674807. The next prime is 149674859. The reversal of 149674844 is 448476941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56747 + ... + 59325.

It is an arithmetic number, because the mean of its divisors is an integer number (11919600).

Almost surely, 2149674844 is an apocalyptic number.

It is an amenable number.

149674844 is a deficient number, since it is larger than the sum of its proper divisors (136395556).

149674844 is a wasteful number, since it uses less digits than its factorization.

149674844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3913 (or 3911 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 149674844 is about 12234.1670742229. The cubic root of 149674844 is about 530.9450848358.

The spelling of 149674844 in words is "one hundred forty-nine million, six hundred seventy-four thousand, eight hundred forty-four".

Divisors: 1 2 4 11 22 44 1319 2579 2638 5158 5276 10316 14509 28369 29018 56738 58036 113476 3401701 6803402 13606804 37418711 74837422 149674844