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149312484 = 2234460841
BaseRepresentation
bin10001110011001…
…01001111100100
3101101221212020000
420321211033210
5301210444414
622452141300
73462064236
oct1071451744
9341855200
10149312484
1177312752
1242007830
1324c1aca9
1415b8a256
15d195b09
hex8e653e4

149312484 has 30 divisors (see below), whose sum is σ = 390333174. Its totient is φ = 49770720.

The previous prime is 149312483. The next prime is 149312489. The reversal of 149312484 is 484213941.

It is a happy number.

149312484 is a `hidden beast` number, since 149 + 31 + 2 + 484 = 666.

149312484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 115089984 + 34222500 = 10728^2 + 5850^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (149312483) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 230097 + ... + 230744.

Almost surely, 2149312484 is an apocalyptic number.

It is an amenable number.

149312484 is an abundant number, since it is smaller than the sum of its proper divisors (241020690).

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

149312484 is a wasteful number, since it uses less digits than its factorization.

149312484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460857 (or 460846 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 149312484 is about 12219.3487551506. The cubic root of 149312484 is about 530.5162692221.

The spelling of 149312484 in words is "one hundred forty-nine million, three hundred twelve thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 460841 921682 1382523 1843364 2765046 4147569 5530092 8295138 12442707 16590276 24885414 37328121 49770828 74656242 149312484