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149044168 = 237131712043
BaseRepresentation
bin10001110001000…
…11101111001000
3101101110020011101
420320203233020
5301123403133
622442311144
73456566050
oct1070435710
9341406141
10149044168
117714a0a9
1241ab84b4
1324b55b20
1415b1a560
15d14137d
hex8e23bc8

149044168 has 64 divisors (see below), whose sum is σ = 364210560. Its totient is φ = 55489536.

The previous prime is 149044153. The next prime is 149044169. The reversal of 149044168 is 861440941.

It is not an unprimeable number, because it can be changed into a prime (149044169) 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 15 ways as a sum of consecutive naturals, for example, 6355 + ... + 18397.

It is an arithmetic number, because the mean of its divisors is an integer number (5690790).

Almost surely, 2149044168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149044168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182105280).

149044168 is an abundant number, since it is smaller than the sum of its proper divisors (215166392).

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

149044168 is a wasteful number, since it uses less digits than its factorization.

149044168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12086 (or 12082 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 149044168 is about 12208.3646734524. The cubic root of 149044168 is about 530.1982976982.

The spelling of 149044168 in words is "one hundred forty-nine million, forty-four thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 13 14 17 26 28 34 52 56 68 91 104 119 136 182 221 238 364 442 476 728 884 952 1547 1768 3094 6188 12043 12376 24086 48172 84301 96344 156559 168602 204731 313118 337204 409462 626236 674408 818924 1095913 1252472 1433117 1637848 2191826 2661503 2866234 4383652 5323006 5732468 8767304 10646012 11464936 18630521 21292024 37261042 74522084 149044168