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23332816 = 241328629
BaseRepresentation
bin101100100000…
…0011111010000
31121220102121101
41121000133100
521433122231
62152034144
7402216463
oct131003720
947812541
1023332816
1112197321
127992954
134aac400
1431552da
1520ad661
hex16407d0

23332816 has 30 divisors (see below), whose sum is σ = 48957990. Its totient is φ = 10767744.

The previous prime is 23332783. The next prime is 23332831. The reversal of 23332816 is 61823332.

It can be written as a sum of positive squares in 3 ways, for example, as 484416 + 22848400 = 696^2 + 4780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1611 + ... + 7018.

It is an arithmetic number, because the mean of its divisors is an integer number (1631933).

Almost surely, 223332816 is an apocalyptic number.

23332816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23332816 is an abundant number, since it is smaller than the sum of its proper divisors (25625174).

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

23332816 is a wasteful number, since it uses less digits than its factorization.

23332816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663 (or 8644 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 23332816 is about 4830.4053660123. The cubic root of 23332816 is about 285.7518508703.

The spelling of 23332816 in words is "twenty-three million, three hundred thirty-two thousand, eight hundred sixteen".

Divisors: 1 2 4 8 13 16 26 52 104 169 208 338 676 1352 2704 8629 17258 34516 69032 112177 138064 224354 448708 897416 1458301 1794832 2916602 5833204 11666408 23332816