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149421184 = 2711106123
BaseRepresentation
bin10001110011111…
…11110010000000
3101102011101022221
420321333302000
5301222434214
622454340424
73463026163
oct1071776200
9342141287
10149421184
1177387390
124205a714
1324c58603
1415bb7ada
15d1b7e24
hex8e7fc80

149421184 has 32 divisors (see below), whose sum is σ = 324739440. Its totient is φ = 67918080.

The previous prime is 149421163. The next prime is 149421191. The reversal of 149421184 is 481124941.

149421184 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

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, 51654 + ... + 54469.

Almost surely, 2149421184 is an apocalyptic number.

It is an amenable number.

149421184 is an abundant number, since it is smaller than the sum of its proper divisors (175318256).

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

149421184 is a wasteful number, since it uses less digits than its factorization.

149421184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106148 (or 106136 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 149421184 is about 12223.7958098129. The cubic root of 149421184 is about 530.6449772145.

The spelling of 149421184 in words is "one hundred forty-nine million, four hundred twenty-one thousand, one hundred eighty-four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 704 1408 106123 212246 424492 848984 1167353 1697968 2334706 3395936 4669412 6791872 9338824 13583744 18677648 37355296 74710592 149421184