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149987296 = 254687103
BaseRepresentation
bin10001111000010…
…01111111100000
3101110020010220001
420330021333200
5301344043141
622514425344
73500604514
oct1074117740
9343203801
10149987296
1177733748
1242292254
13250c61a4
1415cc4144
15d27aa31
hex8f09fe0

149987296 has 12 divisors (see below), whose sum is σ = 295287552. Its totient is φ = 74993632.

The previous prime is 149987251. The next prime is 149987351. The reversal of 149987296 is 692789941.

149987296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1499872962 = 44992377922783232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2343520 + ... + 2343583.

It is an arithmetic number, because the mean of its divisors is an integer number (24607296).

Almost surely, 2149987296 is an apocalyptic number.

149987296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149987296 is a deficient number, since it is larger than the sum of its proper divisors (145300256).

149987296 is an equidigital number, since it uses as much as digits as its factorization.

149987296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687113 (or 4687105 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 55.

The square root of 149987296 is about 12246.9300643059. The cubic root of 149987296 is about 531.3142841517.

The spelling of 149987296 in words is "one hundred forty-nine million, nine hundred eighty-seven thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 32 4687103 9374206 18748412 37496824 74993648 149987296