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149396765 = 5717251087
BaseRepresentation
bin10001110011110…
…01110100011101
3101102010010211112
420321321310131
5301221144030
622454031405
73462565040
oct1071716435
9342103745
10149396765
1177370001
1242048565
1324c4a46b
1415bacc57
15d1b0a95
hex8e79d1d

149396765 has 16 divisors (see below), whose sum is σ = 216940032. Its totient is φ = 96417024.

The previous prime is 149396761. The next prime is 149396789. The reversal of 149396765 is 567693941.

It is a cyclic number.

It is not a de Polignac number, because 149396765 - 22 = 149396761 is a prime.

It is a super-3 number, since 3×1493967653 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149396761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124949 + ... + 126138.

It is an arithmetic number, because the mean of its divisors is an integer number (13558752).

Almost surely, 2149396765 is an apocalyptic number.

It is an amenable number.

149396765 is a deficient number, since it is larger than the sum of its proper divisors (67543267).

149396765 is a wasteful number, since it uses less digits than its factorization.

149396765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251116.

The product of its digits is 1224720, while the sum is 50.

The square root of 149396765 is about 12222.7969385080. The cubic root of 149396765 is about 530.6160689404.

The spelling of 149396765 in words is "one hundred forty-nine million, three hundred ninety-six thousand, seven hundred sixty-five".

Divisors: 1 5 7 17 35 85 119 595 251087 1255435 1757609 4268479 8788045 21342395 29879353 149396765