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149406992 = 2471333991
BaseRepresentation
bin10001110011111…
…00010100010000
3101102010122212022
420321330110100
5301222010432
622454151012
73462636620
oct1071742420
9342118768
10149406992
1177377759
1242052468
1324c52007
1415bb2880
15d1b3b12
hex8e7c510

149406992 has 20 divisors (see below), whose sum is σ = 330830016. Its totient is φ = 64031520.

The previous prime is 149406923. The next prime is 149407001. The reversal of 149406992 is 299604941.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666884 + ... + 667107.

Almost surely, 2149406992 is an apocalyptic number.

It is an amenable number.

149406992 is an abundant number, since it is smaller than the sum of its proper divisors (181423024).

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

149406992 is a wasteful number, since it uses less digits than its factorization.

149406992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334006 (or 1334000 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 149406992 is about 12223.2152889491. The cubic root of 149406992 is about 530.6281764911.

The spelling of 149406992 in words is "one hundred forty-nine million, four hundred six thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 1333991 2667982 5335964 9337937 10671928 18675874 21343856 37351748 74703496 149406992