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149630875 = 532414967
BaseRepresentation
bin10001110101100…
…10111110011011
3101102120000222021
420322302332123
5301301142000
622503035311
73464561422
oct1072627633
9342500867
10149630875
117750a989
124213bb37
1324cccba4
1415c302b9
15d20a11a
hex8eb2f9b

149630875 has 16 divisors (see below), whose sum is σ = 187551936. Its totient is φ = 119184000.

The previous prime is 149630869. The next prime is 149630917. The reversal of 149630875 is 578036941.

It is not a de Polignac number, because 149630875 - 25 = 149630843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27642 + ... + 32608.

It is an arithmetic number, because the mean of its divisors is an integer number (11721996).

Almost surely, 2149630875 is an apocalyptic number.

149630875 is a deficient number, since it is larger than the sum of its proper divisors (37921061).

149630875 is an equidigital number, since it uses as much as digits as its factorization.

149630875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223 (or 5213 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 149630875 is about 12232.3699666091. The cubic root of 149630875 is about 530.8930889890.

The spelling of 149630875 in words is "one hundred forty-nine million, six hundred thirty thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 241 1205 4967 6025 24835 30125 124175 620875 1197047 5985235 29926175 149630875