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149514856 = 2318689357
BaseRepresentation
bin10001110100101…
…10101001101000
3101102100010211021
420322112221220
5301233433411
622500342224
73463566241
oct1072265150
9342303737
10149514856
11774407a7
12420a4974
1324c8c13a
1415bddcc8
15d1d5a71
hex8e96a68

149514856 has 8 divisors (see below), whose sum is σ = 280340370. Its totient is φ = 74757424.

The previous prime is 149514851. The next prime is 149514887. The reversal of 149514856 is 658415941.

It can be written as a sum of positive squares in only one way, i.e., 92813956 + 56700900 = 9634^2 + 7530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (149514851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9344671 + ... + 9344686.

Almost surely, 2149514856 is an apocalyptic number.

It is an amenable number.

149514856 is a deficient number, since it is larger than the sum of its proper divisors (130825514).

149514856 is a wasteful number, since it uses less digits than its factorization.

149514856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18689363 (or 18689359 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 149514856 is about 12227.6267525632. The cubic root of 149514856 is about 530.7558409970.

The spelling of 149514856 in words is "one hundred forty-nine million, five hundred fourteen thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 18689357 37378714 74757428 149514856