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232608980 = 22561318973
BaseRepresentation
bin11011101110101…
…01010011010100
3121012200202112102
431313111103110
5434021441410
635025341232
75523100202
oct1567252324
9535622472
10232608980
1110a33562a
1265a97818
1339263966
1422c70072
151564b2a5
hexddd54d4

232608980 has 24 divisors (see below), whose sum is σ = 489301512. Its totient is φ = 92886912.

The previous prime is 232608953. The next prime is 232608983. The reversal of 232608980 is 89806232.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3147076 + 229461904 = 1774^2 + 15148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232608983) 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, 2774 + ... + 21746.

It is an arithmetic number, because the mean of its divisors is an integer number (20387563).

Almost surely, 2232608980 is an apocalyptic number.

232608980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232608980 is an abundant number, since it is smaller than the sum of its proper divisors (256692532).

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

232608980 is a wasteful number, since it uses less digits than its factorization.

232608980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19595 (or 19593 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 232608980 is about 15251.5238582904. The cubic root of 232608980 is about 615.0005331919. Note that the first 3 decimals are identical.

The spelling of 232608980 in words is "two hundred thirty-two million, six hundred eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 613 1226 2452 3065 6130 12260 18973 37946 75892 94865 189730 379460 11630449 23260898 46521796 58152245 116304490 232608980