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232080820 = 22519610739
BaseRepresentation
bin11011101010101…
…00010110110100
3121011200221000221
431311110112310
5433403041240
635010144124
75515440316
oct1565242664
9534627027
10232080820
1110a004834
1265882044
133910a43a
1422b737b6
1515594a4a
hexdd545b4

232080820 has 24 divisors (see below), whose sum is σ = 513021600. Its totient is φ = 87946272.

The previous prime is 232080811. The next prime is 232080829. The reversal of 232080820 is 28080232.

232080820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (232080811) and next prime (232080829).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232080829) 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, 304990 + ... + 305749.

It is an arithmetic number, because the mean of its divisors is an integer number (21375900).

Almost surely, 2232080820 is an apocalyptic number.

232080820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232080820 is an abundant number, since it is smaller than the sum of its proper divisors (280940780).

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

232080820 is a wasteful number, since it uses less digits than its factorization.

232080820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610767 (or 610765 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 232080820 is about 15234.1990271888. The cubic root of 232080820 is about 614.5347087631.

The spelling of 232080820 in words is "two hundred thirty-two million, eighty thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 610739 1221478 2442956 3053695 6107390 11604041 12214780 23208082 46416164 58020205 116040410 232080820