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152544980 = 22571975531
BaseRepresentation
bin10010001011110…
…10011011010100
3101122001002101002
421011322123110
5303022414410
623045322432
73531416360
oct1105723324
9348032332
10152544980
1179120335
1243106418
13257b0403
141638c2a0
15d5d37a5
hex917a6d4

152544980 has 48 divisors (see below), whose sum is σ = 368032896. Its totient is φ = 52026240.

The previous prime is 152544967. The next prime is 152544989. The reversal of 152544980 is 89445251.

152544980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152544989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24815 + ... + 30345.

It is an arithmetic number, because the mean of its divisors is an integer number (7667352).

Almost surely, 2152544980 is an apocalyptic number.

152544980 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 152544980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184016448).

152544980 is an abundant number, since it is smaller than the sum of its proper divisors (215487916).

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

152544980 is a wasteful number, since it uses less digits than its factorization.

152544980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744 (or 5742 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 152544980 is about 12350.9100879247. The cubic root of 152544980 is about 534.3173871976.

The spelling of 152544980 in words is "one hundred fifty-two million, five hundred forty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 197 394 788 985 1379 1970 2758 3940 5516 5531 6895 11062 13790 22124 27580 27655 38717 55310 77434 110620 154868 193585 387170 774340 1089607 2179214 4358428 5448035 7627249 10896070 15254498 21792140 30508996 38136245 76272490 152544980