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23283243 = 327183439
BaseRepresentation
bin101100011010…
…0011000101011
31121210220121100
41120310120223
521430030433
62151012443
7401622114
oct130643053
947726540
1023283243
1112163055
12796a123
134a92989
14314120b
15209db13
hex163462b

23283243 has 24 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 15084720.

The previous prime is 23283241. The next prime is 23283289. The reversal of 23283243 is 34238232.

It is not a de Polignac number, because 23283243 - 21 = 23283241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23283241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52818 + ... + 53256.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 223283243 is an apocalyptic number.

23283243 is a deficient number, since it is larger than the sum of its proper divisors (11311317).

23283243 is a wasteful number, since it uses less digits than its factorization.

23283243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 596 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 23283243 is about 4825.2712877102. The cubic root of 23283243 is about 285.5493375168.

The spelling of 23283243 in words is "twenty-three million, two hundred eighty-three thousand, two hundred forty-three".

Divisors: 1 3 9 71 83 213 249 439 639 747 1317 3951 5893 17679 31169 36437 53037 93507 109311 280521 327933 2587027 7761081 23283243