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149446672 = 2443217219
BaseRepresentation
bin10001110100001…
…10000000010000
3101102012200021221
420322012000100
5301224243142
622455054424
73463163404
oct1072060020
9342180257
10149446672
11773a4551
1242071414
1324c670ab
1415bc3104
15d1c0767
hex8e86010

149446672 has 20 divisors (see below), whose sum is σ = 296288080. Its totient is φ = 72985248.

The previous prime is 149446669. The next prime is 149446721. The reversal of 149446672 is 276644941.

149446672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107922 + ... + 109297.

It is an arithmetic number, because the mean of its divisors is an integer number (14814404).

Almost surely, 2149446672 is an apocalyptic number.

It is an amenable number.

149446672 is a deficient number, since it is larger than the sum of its proper divisors (146841408).

149446672 is a wasteful number, since it uses less digits than its factorization.

149446672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217270 (or 217264 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 149446672 is about 12224.8383220393. The cubic root of 149446672 is about 530.6751476581.

The spelling of 149446672 in words is "one hundred forty-nine million, four hundred forty-six thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 43 86 172 344 688 217219 434438 868876 1737752 3475504 9340417 18680834 37361668 74723336 149446672