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232012983 = 3236615087
BaseRepresentation
bin11011101010000…
…11110010110111
3121011120110222110
431311003302313
5433343403413
635004502103
75515035456
oct1565036267
9534513873
10232012983
11109a68874
126584a933
13390b55b7
1422b56b9d
151557e8c3
hexdd43cb7

232012983 has 16 divisors (see below), whose sum is σ = 323352576. Its totient is φ = 147697440.

The previous prime is 232012969. The next prime is 232012987. The reversal of 232012983 is 389210232.

It is a happy number.

It is not a de Polignac number, because 232012983 - 29 = 232012471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232012983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232012987) 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 15 ways as a sum of consecutive naturals, for example, 43066 + ... + 48152.

It is an arithmetic number, because the mean of its divisors is an integer number (20209536).

Almost surely, 2232012983 is an apocalyptic number.

232012983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

232012983 is a deficient number, since it is larger than the sum of its proper divisors (91339593).

232012983 is a wasteful number, since it uses less digits than its factorization.

232012983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5774.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 232012983 is about 15231.9723936199. The cubic root of 232012983 is about 614.4748269605.

The spelling of 232012983 in words is "two hundred thirty-two million, twelve thousand, nine hundred eighty-three".

Divisors: 1 3 23 69 661 1983 5087 15203 15261 45609 117001 351003 3362507 10087521 77337661 232012983