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149930174 = 21729732083
BaseRepresentation
bin10001110111111…
…00000010111110
3101110010020112102
420323330002332
5301340231144
622513305102
73500246132
oct1073740276
9343106472
10149930174
11776a4839
1242265192
13250a61a4
1415cab3c2
15d268b4e
hex8efc0be

149930174 has 32 divisors (see below), whose sum is σ = 249829920. Its totient is φ = 67156992.

The previous prime is 149930173. The next prime is 149930177. The reversal of 149930174 is 471039941.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149930173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70937 + ... + 73019.

It is an arithmetic number, because the mean of its divisors is an integer number (7807185).

Almost surely, 2149930174 is an apocalyptic number.

149930174 is a deficient number, since it is larger than the sum of its proper divisors (99899746).

149930174 is a wasteful number, since it uses less digits than its factorization.

149930174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 149930174 is about 12244.5977475783. The cubic root of 149930174 is about 531.2468260203.

The spelling of 149930174 in words is "one hundred forty-nine million, nine hundred thirty thousand, one hundred seventy-four".

Divisors: 1 2 17 29 34 58 73 146 493 986 1241 2083 2117 2482 4166 4234 35411 35989 60407 70822 71978 120814 152059 304118 1026919 2053838 2585003 4409711 5170006 8819422 74965087 149930174