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232020963 = 338593369
BaseRepresentation
bin11011101010001…
…01101111100011
3121011120212221000
431311011233203
5433344132323
635005003043
75515100646
oct1565055743
9534525830
10232020963
11109a73869
1265853483
13390b9115
1422b59a5d
1515581e43
hexdd45be3

232020963 has 8 divisors (see below), whose sum is σ = 343734800. Its totient is φ = 154680624.

The previous prime is 232020931. The next prime is 232020973. The reversal of 232020963 is 369020232.

It is not a de Polignac number, because 232020963 - 25 = 232020931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8593369 = 232020963 / (2 + 3 + 2 + 0 + 2 + 0 + 9 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232020973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4296658 + ... + 4296711.

It is an arithmetic number, because the mean of its divisors is an integer number (42966850).

Almost surely, 2232020963 is an apocalyptic number.

232020963 is a deficient number, since it is larger than the sum of its proper divisors (111713837).

232020963 is an equidigital number, since it uses as much as digits as its factorization.

232020963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8593378 (or 8593372 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 232020963 is about 15232.2343403717. The cubic root of 232020963 is about 614.4818717573.

The spelling of 232020963 in words is "two hundred thirty-two million, twenty thousand, nine hundred sixty-three".

Divisors: 1 3 9 27 8593369 25780107 77340321 232020963