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149810756 = 2237452689
BaseRepresentation
bin10001110110111…
…10111001000100
3101102220011201112
420323132321010
5301322421011
622510544152
73466241024
oct1073367104
9342804645
10149810756
1177623047
1242208058
1325063a24
1415c79a84
15d24358b
hex8edee44

149810756 has 6 divisors (see below), whose sum is σ = 262168830. Its totient is φ = 74905376.

The previous prime is 149810747. The next prime is 149810779. The reversal of 149810756 is 657018941.

It can be written as a sum of positive squares in only one way, i.e., 86862400 + 62948356 = 9320^2 + 7934^2 .

It is a super-2 number, since 2×1498107562 = 44886525226583072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18726341 + ... + 18726348.

It is an arithmetic number, because the mean of its divisors is an integer number (43694805).

Almost surely, 2149810756 is an apocalyptic number.

It is an amenable number.

149810756 is a deficient number, since it is larger than the sum of its proper divisors (112358074).

149810756 is a wasteful number, since it uses less digits than its factorization.

149810756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37452693 (or 37452691 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 149810756 is about 12239.7204216436. The cubic root of 149810756 is about 531.1057441587.

The spelling of 149810756 in words is "one hundred forty-nine million, eight hundred ten thousand, seven hundred fifty-six".

Divisors: 1 2 4 37452689 74905378 149810756