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23328288400 = 245289655289
BaseRepresentation
bin10101101110011110…
…010110111010010000
32020012210021211121111
4111232132112322100
5340234020212100
614414502103104
71454045115424
oct255636267220
966183254544
1023328288400
11999123539a
12463071aa94
13227a0b2b61
1411b4346b84
1591805a6ba
hex56e796e90

23328288400 has 60 divisors (see below), whose sum is σ = 56676032100. Its totient is φ = 9226455040.

The previous prime is 23328288383. The next prime is 23328288419. The reversal of 23328288400 is 488282332.

It can be written as a sum of positive squares in 6 ways, for example, as 1833209856 + 21495078544 = 42816^2 + 146612^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292045 + ... + 363244.

It is an arithmetic number, because the mean of its divisors is an integer number (944600535).

Almost surely, 223328288400 is an apocalyptic number.

23328288400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23328288400 is an abundant number, since it is smaller than the sum of its proper divisors (33347743700).

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

23328288400 is a wasteful number, since it uses less digits than its factorization.

23328288400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655396 (or 655385 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 23328288400 in words is "twenty-three billion, three hundred twenty-eight million, two hundred eighty-eight thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 89 100 178 200 356 400 445 712 890 1424 1780 2225 3560 4450 7120 8900 17800 35600 655289 1310578 2621156 3276445 5242312 6552890 10484624 13105780 16382225 26211560 32764450 52423120 58320721 65528900 116641442 131057800 233282884 262115600 291603605 466565768 583207210 933131536 1166414420 1458018025 2332828840 2916036050 4665657680 5832072100 11664144200 23328288400