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149615425 = 5210755931
BaseRepresentation
bin10001110101011…
…11001101000001
3101102112020210001
420322233031001
5301300143200
622502440001
73464465401
oct1072571501
9342466701
10149615425
11774aa313
1242133001
1324cc5b4b
1415c28801
15d20576a
hex8eaf341

149615425 has 12 divisors (see below), whose sum is σ = 187260336. Its totient is φ = 118571600.

The previous prime is 149615413. The next prime is 149615461. The reversal of 149615425 is 524516941.

149615425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-149615425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25291 + ... + 30640.

It is an arithmetic number, because the mean of its divisors is an integer number (15605028).

Almost surely, 2149615425 is an apocalyptic number.

It is an amenable number.

149615425 is a deficient number, since it is larger than the sum of its proper divisors (37644911).

149615425 is a wasteful number, since it uses less digits than its factorization.

149615425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56048 (or 56043 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 149615425 is about 12231.7384291850. The cubic root of 149615425 is about 530.8748160656.

The spelling of 149615425 in words is "one hundred forty-nine million, six hundred fifteen thousand, four hundred twenty-five".

Divisors: 1 5 25 107 535 2675 55931 279655 1398275 5984617 29923085 149615425