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149858560 = 28547253
BaseRepresentation
bin10001110111010…
…10100100000000
3101102222121022001
420323222210000
5301330433220
622511553344
73466530265
oct1073524400
9342877261
10149858560
1177655a55
124222b854
132507c707
1415c8d26c
15d25280a
hex8eea900

149858560 has 108 divisors (see below), whose sum is σ = 373677948. Its totient is φ = 57561088.

The previous prime is 149858549. The next prime is 149858609. The reversal of 149858560 is 65858941.

It can be written as a sum of positive squares in 2 ways, for example, as 81432576 + 68425984 = 9024^2 + 8272^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149858560.

It is a congruent number.

It is an unprimeable number.

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, 2827494 + ... + 2827546.

It is an arithmetic number, because the mean of its divisors is an integer number (3459981).

Almost surely, 2149858560 is an apocalyptic number.

149858560 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 149858560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186838974).

149858560 is an abundant number, since it is smaller than the sum of its proper divisors (223819388).

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

149858560 is an frugal number, since it uses more digits than its factorization.

149858560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 149858560 is about 12241.6730882670. The cubic root of 149858560 is about 531.1622293752.

The spelling of 149858560 in words is "one hundred forty-nine million, eight hundred fifty-eight thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 53 64 80 94 106 128 160 188 212 235 256 265 320 376 424 470 530 640 752 848 940 1060 1280 1504 1696 1880 2120 2209 2491 3008 3392 3760 4240 4418 4982 6016 6784 7520 8480 8836 9964 11045 12032 12455 13568 15040 16960 17672 19928 22090 24910 30080 33920 35344 39856 44180 49820 60160 67840 70688 79712 88360 99640 117077 141376 159424 176720 199280 234154 282752 318848 353440 398560 468308 565504 585385 637696 706880 797120 936616 1170770 1413760 1594240 1873232 2341540 2827520 3188480 3746464 4683080 7492928 9366160 14985856 18732320 29971712 37464640 74929280 149858560