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149048717 = 237518629
BaseRepresentation
bin10001110001001…
…00110110001101
3101101110110101212
420320210312031
5301124024332
622442344205
73456615236
oct1070446615
9341413355
10149048717
1177152564
1241abb065
1324b57c0c
1415b1c08d
15d1428b2
hex8e24d8d

149048717 has 8 divisors (see below), whose sum is σ = 155754240. Its totient is φ = 142362000.

The previous prime is 149048687. The next prime is 149048759. The reversal of 149048717 is 717840941.

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

It is a cyclic number.

It is not a de Polignac number, because 149048717 - 224 = 132271501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149048117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12959 + ... + 21587.

It is an arithmetic number, because the mean of its divisors is an integer number (19469280).

Almost surely, 2149048717 is an apocalyptic number.

It is an amenable number.

149048717 is a deficient number, since it is larger than the sum of its proper divisors (6705523).

149048717 is an equidigital number, since it uses as much as digits as its factorization.

149048717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9403.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 149048717 is about 12208.5509787198. The cubic root of 149048717 is about 530.2036917313.

The spelling of 149048717 in words is "one hundred forty-nine million, forty-eight thousand, seven hundred seventeen".

Divisors: 1 23 751 8629 17273 198467 6480379 149048717