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149263707 = 3433073769
BaseRepresentation
bin10001110010110…
…01010101011011
3101101212101022110
420321121111123
5301202414312
622451123403
73461502105
oct1071312533
9341771273
10149263707
117728a03a
1241ba3563
1324c01a28
1415b76575
15d18643c
hex8e5955b

149263707 has 16 divisors (see below), whose sum is σ = 204364160. Its totient is φ = 96852672.

The previous prime is 149263693. The next prime is 149263711. The reversal of 149263707 is 707362941.

It is not a de Polignac number, because 149263707 - 210 = 149262683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149263717) 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, 37719 + ... + 41487.

It is an arithmetic number, because the mean of its divisors is an integer number (12772760).

Almost surely, 2149263707 is an apocalyptic number.

149263707 is a deficient number, since it is larger than the sum of its proper divisors (55100453).

149263707 is a wasteful number, since it uses less digits than its factorization.

149263707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 149263707 is about 12217.3527001556. The cubic root of 149263707 is about 530.4584937218.

The spelling of 149263707 in words is "one hundred forty-nine million, two hundred sixty-three thousand, seven hundred seven".

Divisors: 1 3 43 129 307 921 3769 11307 13201 39603 162067 486201 1157083 3471249 49754569 149263707