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149207415 = 3576772099
BaseRepresentation
bin10001110010010…
…11100101110111
3101101202112002120
420321023211313
5301144114130
622450011023
73461146020
oct1071134567
9341675076
10149207415
1177250815
1241b76a73
1324bb2216
1415b5dc47
15d174910
hex8e4b977

149207415 has 32 divisors (see below), whose sum is σ = 273369600. Its totient is φ = 68075904.

The previous prime is 149207411. The next prime is 149207449. The reversal of 149207415 is 514702941.

It is a happy number.

It is not a de Polignac number, because 149207415 - 22 = 149207411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149207411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70036 + ... + 72134.

It is an arithmetic number, because the mean of its divisors is an integer number (8542800).

Almost surely, 2149207415 is an apocalyptic number.

149207415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149207415 is a deficient number, since it is larger than the sum of its proper divisors (124162185).

149207415 is a wasteful number, since it uses less digits than its factorization.

149207415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 149207415 is about 12215.0487105046. The cubic root of 149207415 is about 530.3918011889.

The spelling of 149207415 in words is "one hundred forty-nine million, two hundred seven thousand, four hundred fifteen".

Divisors: 1 3 5 7 15 21 35 105 677 2031 2099 3385 4739 6297 10155 10495 14217 14693 23695 31485 44079 71085 73465 220395 1421023 4263069 7105115 9947161 21315345 29841483 49735805 149207415