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149648015 = 5117513623
BaseRepresentation
bin10001110101101…
…11001010001111
3101102120220111002
420322313022033
5301302214030
622503250515
73464662406
oct1072671217
9342526432
10149648015
1177521850
1242149a3b
132500792a
1415c3663d
15d210245
hex8eb728f

149648015 has 16 divisors (see below), whose sum is σ = 196217856. Its totient is φ = 108660000.

The previous prime is 149648003. The next prime is 149648021. The reversal of 149648015 is 510846941.

It is not a de Polignac number, because 149648015 - 24 = 149647999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149648015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39494 + ... + 43116.

It is an arithmetic number, because the mean of its divisors is an integer number (12263616).

Almost surely, 2149648015 is an apocalyptic number.

149648015 is a deficient number, since it is larger than the sum of its proper divisors (46569841).

149648015 is a wasteful number, since it uses less digits than its factorization.

149648015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 149648015 is about 12233.0705466780. The cubic root of 149648015 is about 530.9133592265.

The spelling of 149648015 in words is "one hundred forty-nine million, six hundred forty-eight thousand, fifteen".

Divisors: 1 5 11 55 751 3623 3755 8261 18115 39853 41305 199265 2720873 13604365 29929603 149648015