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149214152 = 2318651769
BaseRepresentation
bin10001110010011…
…01001111001000
3101101202212100002
420321031033020
5301144323102
622450102132
73461204453
oct1071151710
9341685302
10149214152
117725588a
1241b7a948
1324bb52c9
1415b6249a
15d176902
hex8e4d3c8

149214152 has 8 divisors (see below), whose sum is σ = 279776550. Its totient is φ = 74607072.

The previous prime is 149214139. The next prime is 149214157. The reversal of 149214152 is 251412941.

It can be written as a sum of positive squares in only one way, i.e., 127554436 + 21659716 = 11294^2 + 4654^2 .

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 (149214157) 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, 9325877 + ... + 9325892.

Almost surely, 2149214152 is an apocalyptic number.

It is an amenable number.

149214152 is a deficient number, since it is larger than the sum of its proper divisors (130562398).

149214152 is a wasteful number, since it uses less digits than its factorization.

149214152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18651775 (or 18651771 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 149214152 is about 12215.3244737911. The cubic root of 149214152 is about 530.3997838033.

The spelling of 149214152 in words is "one hundred forty-nine million, two hundred fourteen thousand, one hundred fifty-two".

Divisors: 1 2 4 8 18651769 37303538 74607076 149214152