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149288752 = 2429321743
BaseRepresentation
bin10001110010111…
…11011100110000
3101101220122200001
420321133130300
5301204220002
622451435344
73461635114
oct1071373460
9341818601
10149288752
11772a6938
1241bb5b54
1324c10252
1415b81744
15d18da87
hex8e5f730

149288752 has 20 divisors (see below), whose sum is σ = 299221920. Its totient is φ = 72070208.

The previous prime is 149288731. The next prime is 149288753. The reversal of 149288752 is 257882941.

It is not an unprimeable number, because it can be changed into a prime (149288753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160408 + ... + 161335.

It is an arithmetic number, because the mean of its divisors is an integer number (14961096).

Almost surely, 2149288752 is an apocalyptic number.

It is an amenable number.

149288752 is an abundant number, since it is smaller than the sum of its proper divisors (149933168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149288752 is a wasteful number, since it uses less digits than its factorization.

149288752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321780 (or 321774 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 149288752 is about 12218.3776337123. The cubic root of 149288752 is about 530.4881606566.

The spelling of 149288752 in words is "one hundred forty-nine million, two hundred eighty-eight thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 29 58 116 232 464 321743 643486 1286972 2573944 5147888 9330547 18661094 37322188 74644376 149288752