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149810755 = 531966521
BaseRepresentation
bin10001110110111…
…10111001000011
3101102220011201111
420323132321003
5301322421010
622510544151
73466241023
oct1073367103
9342804644
10149810755
1177623046
1242208057
1325063a23
1415c79a83
15d24358a
hex8edee43

149810755 has 8 divisors (see below), whose sum is σ = 185572224. Its totient is φ = 115982400.

The previous prime is 149810747. The next prime is 149810779. The reversal of 149810755 is 557018941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149810755 - 23 = 149810747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483106 + ... + 483415.

It is an arithmetic number, because the mean of its divisors is an integer number (23196528).

Almost surely, 2149810755 is an apocalyptic number.

149810755 is a deficient number, since it is larger than the sum of its proper divisors (35761469).

149810755 is an equidigital number, since it uses as much as digits as its factorization.

149810755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966557.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 149810755 is about 12239.7203807930. The cubic root of 149810755 is about 531.1057429769.

The spelling of 149810755 in words is "one hundred forty-nine million, eight hundred ten thousand, seven hundred fifty-five".

Divisors: 1 5 31 155 966521 4832605 29962151 149810755