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149374407 = 3713719761
BaseRepresentation
bin10001110011101…
…00010111000111
3101102002000011110
420321310113013
5301214440112
622453340103
73462442620
oct1071642707
9342060143
10149374407
1177355226
1242037633
1324c40230
1415ba4a47
15d1a913c
hex8e745c7

149374407 has 32 divisors (see below), whose sum is σ = 245790720. Its totient is φ = 78577920.

The previous prime is 149374349. The next prime is 149374417. The reversal of 149374407 is 704473941.

It is not a de Polignac number, because 149374407 - 214 = 149358023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149374417) 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, 195907 + ... + 196667.

It is an arithmetic number, because the mean of its divisors is an integer number (7680960).

Almost surely, 2149374407 is an apocalyptic number.

149374407 is a deficient number, since it is larger than the sum of its proper divisors (96416313).

149374407 is a wasteful number, since it uses less digits than its factorization.

149374407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 149374407 is about 12221.8823018388. The cubic root of 149374407 is about 530.5895978051.

The spelling of 149374407 in words is "one hundred forty-nine million, three hundred seventy-four thousand, four hundred seven".

Divisors: 1 3 7 13 21 39 91 273 719 761 2157 2283 5033 5327 9347 9893 15099 15981 28041 29679 65429 69251 196287 207753 547159 1641477 3830113 7113067 11490339 21339201 49791469 149374407