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149018560 = 2654571019
BaseRepresentation
bin10001110000111…
…01011111000000
3101101101221000221
420320131133000
5301122043220
622441552424
73456431305
oct1070353700
9341357027
10149018560
1177131939
1241aa5714
1324b47282
1415b110ac
15d1389aa
hex8e1d7c0

149018560 has 56 divisors (see below), whose sum is σ = 355975920. Its totient is φ = 59418624.

The previous prime is 149018543. The next prime is 149018561. The reversal of 149018560 is 65810941.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149018561) 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 7 ways as a sum of consecutive naturals, for example, 145731 + ... + 146749.

Almost surely, 2149018560 is an apocalyptic number.

149018560 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 149018560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177987960).

149018560 is an abundant number, since it is smaller than the sum of its proper divisors (206957360).

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

149018560 is a wasteful number, since it uses less digits than its factorization.

149018560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 149018560 is about 12207.3158392826. The cubic root of 149018560 is about 530.1679306469.

The spelling of 149018560 in words is "one hundred forty-nine million, eighteen thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 457 914 1019 1828 2038 2285 3656 4076 4570 5095 7312 8152 9140 10190 14624 16304 18280 20380 29248 32608 36560 40760 65216 73120 81520 146240 163040 326080 465683 931366 1862732 2328415 3725464 4656830 7450928 9313660 14901856 18627320 29803712 37254640 74509280 149018560