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149372208 = 2433345769
BaseRepresentation
bin10001110011100…
…11110100110000
3101102001220011000
420321303310300
5301214402313
622453322000
73462433326
oct1071636460
9342056130
10149372208
1177353607
1242036300
1324c3c22b
1415ba3d16
15d1a8673
hex8e73d30

149372208 has 40 divisors (see below), whose sum is σ = 428754800. Its totient is φ = 49790592.

The previous prime is 149372207. The next prime is 149372227. The reversal of 149372208 is 802273941.

149372208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149372207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172453 + ... + 173316.

It is an arithmetic number, because the mean of its divisors is an integer number (10718870).

Almost surely, 2149372208 is an apocalyptic number.

149372208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

149372208 is an abundant number, since it is smaller than the sum of its proper divisors (279382592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149372208 is a wasteful number, since it uses less digits than its factorization.

149372208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345786 (or 345774 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 149372208 is about 12221.7923399148. The cubic root of 149372208 is about 530.5869941189.

The spelling of 149372208 in words is "one hundred forty-nine million, three hundred seventy-two thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 345769 691538 1037307 1383076 2074614 2766152 3111921 4149228 5532304 6223842 8298456 9335763 12447684 16596912 18671526 24895368 37343052 49790736 74686104 149372208