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149007456 = 25321339799
BaseRepresentation
bin10001110000110…
…10110001100000
3101101101100210200
420320122301200
5301121214311
622441425200
73456354033
oct1070326140
9341340720
10149007456
1177124564
1241a9b200
1324b421c0
1415b0b01a
15d135556
hex8e1ac60

149007456 has 72 divisors (see below), whose sum is σ = 456346800. Its totient is φ = 45847296.

The previous prime is 149007413. The next prime is 149007457. The reversal of 149007456 is 654700941.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a self number, because there is not a number n which added to its sum of digits gives 149007456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149007457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16156 + ... + 23643.

It is an arithmetic number, because the mean of its divisors is an integer number (6338150).

Almost surely, 2149007456 is an apocalyptic number.

149007456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149007456 is an abundant number, since it is smaller than the sum of its proper divisors (307339344).

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

149007456 is a wasteful number, since it uses less digits than its factorization.

149007456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39828 (or 39817 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 149007456 is about 12206.8610215731. The cubic root of 149007456 is about 530.1547619720.

The spelling of 149007456 in words is "one hundred forty-nine million, seven thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1872 3744 39799 79598 119397 159196 238794 318392 358191 477588 517387 636784 716382 955176 1034774 1273568 1432764 1552161 1910352 2069548 2865528 3104322 3820704 4139096 4656483 5731056 6208644 8278192 9312966 11462112 12417288 16556384 18625932 24834576 37251864 49669152 74503728 149007456