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152913980 = 22517795693
BaseRepresentation
bin10010001110101…
…00100000111100
3101122201211112202
421013110200330
5303121221410
623101251032
73534514232
oct1107244074
9348654482
10152913980
117935259a
1243263a78
13258ac35b
1416446952
15d657ca5
hex91d483c

152913980 has 48 divisors (see below), whose sum is σ = 344373120. Its totient is φ = 56828928.

The previous prime is 152913947. The next prime is 152913989. The reversal of 152913980 is 89319251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152913989) 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, 24014 + ... + 29706.

It is an arithmetic number, because the mean of its divisors is an integer number (7174440).

Almost surely, 2152913980 is an apocalyptic number.

152913980 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 152913980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172186560).

152913980 is an abundant number, since it is smaller than the sum of its proper divisors (191459140).

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

152913980 is a wasteful number, since it uses less digits than its factorization.

152913980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798 (or 5796 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 152913980 is about 12365.8392355715. The cubic root of 152913980 is about 534.7478708331.

The spelling of 152913980 in words is "one hundred fifty-two million, nine hundred thirteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 79 85 158 170 316 340 395 790 1343 1580 2686 5372 5693 6715 11386 13430 22772 26860 28465 56930 96781 113860 193562 387124 449747 483905 899494 967810 1798988 1935620 2248735 4497470 7645699 8994940 15291398 30582796 38228495 76456990 152913980