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233390816 = 2531235273
BaseRepresentation
bin11011110100101…
…00001011100000
3121021011111000022
431322110023200
5434222001231
635054213012
75532534461
oct1572241340
9537144008
10233390816
1110a819a7a
12661b4168
1339478799
1422dd4d68
1515752c7b
hexde942e0

233390816 has 24 divisors (see below), whose sum is σ = 474312384. Its totient is φ = 112930560.

The previous prime is 233390809. The next prime is 233390831. The reversal of 233390816 is 618093332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116645 + ... + 118628.

It is an arithmetic number, because the mean of its divisors is an integer number (19763016).

Almost surely, 2233390816 is an apocalyptic number.

It is an amenable number.

233390816 is an abundant number, since it is smaller than the sum of its proper divisors (240921568).

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

233390816 is a wasteful number, since it uses less digits than its factorization.

233390816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235314 (or 235306 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 233390816 is about 15277.1337625878. The cubic root of 233390816 is about 615.6888010388.

The spelling of 233390816 in words is "two hundred thirty-three million, three hundred ninety thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 235273 470546 941092 1882184 3764368 7293463 7528736 14586926 29173852 58347704 116695408 233390816