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149241908 = 22138127017
BaseRepresentation
bin10001110010101…
…00000000110100
3101101211021102002
420321110000310
5301201220113
622450434432
73461351414
oct1071240064
9341737362
10149241908
1177274722
1241b92a18
1324bc4b2a
1415b6c644
15d17ec58
hex8e54034

149241908 has 12 divisors (see below), whose sum is σ = 261372132. Its totient is φ = 74564160.

The previous prime is 149241887. The next prime is 149241913. The reversal of 149241908 is 809142941.

It can be written as a sum of positive squares in 2 ways, for example, as 117115684 + 32126224 = 10822^2 + 5668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7985 + ... + 19032.

It is an arithmetic number, because the mean of its divisors is an integer number (21781011).

Almost surely, 2149241908 is an apocalyptic number.

It is an amenable number.

149241908 is a deficient number, since it is larger than the sum of its proper divisors (112130224).

149241908 is a wasteful number, since it uses less digits than its factorization.

149241908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28402 (or 28400 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 149241908 is about 12216.4605348685. The cubic root of 149241908 is about 530.4326691194.

The spelling of 149241908 in words is "one hundred forty-nine million, two hundred forty-one thousand, nine hundred eight".

Divisors: 1 2 4 1381 2762 5524 27017 54034 108068 37310477 74620954 149241908