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150053440 = 2654111437
BaseRepresentation
bin10001111000110…
…10001001000000
3101110100111121211
420330122021000
5301403202230
622520055504
73501301405
oct1074321100
9343314554
10150053440
1177779409
1242304594
132511a324
1415d002ac
15d29042a
hex8f1a240

150053440 has 56 divisors (see below), whose sum is σ = 366061752. Its totient is φ = 58552320.

The previous prime is 150053417. The next prime is 150053443. The reversal of 150053440 is 44350051.

It can be written as a sum of positive squares in 4 ways, for example, as 627264 + 149426176 = 792^2 + 12224^2 .

It is not an unprimeable number, because it can be changed into a prime (150053443) 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, 7402 + ... + 18838.

It is an arithmetic number, because the mean of its divisors is an integer number (6536817).

Almost surely, 2150053440 is an apocalyptic number.

150053440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150053440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183030876).

150053440 is an abundant number, since it is smaller than the sum of its proper divisors (216008312).

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

150053440 is a wasteful number, since it uses less digits than its factorization.

150053440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11495 (or 11485 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 150053440 is about 12249.6301984999. The cubic root of 150053440 is about 531.3923754039.

The spelling of 150053440 in words is "one hundred fifty million, fifty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 41 64 80 82 160 164 205 320 328 410 656 820 1312 1640 2624 3280 6560 11437 13120 22874 45748 57185 91496 114370 182992 228740 365984 457480 468917 731968 914960 937834 1829920 1875668 2344585 3659840 3751336 4689170 7502672 9378340 15005344 18756680 30010688 37513360 75026720 150053440