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812752896 = 213333071
BaseRepresentation
bin110000011100011…
…010000000000000
32002122100010101010
4300130122000000
53131031043041
6212352040520
726066166654
oct6034320000
92078303333
10812752896
1138786130a
121a8233140
13cc4c9797
1479d28a64
154b545a16
hex3071a000

812752896 has 56 divisors (see below), whose sum is σ = 2167274304. Its totient is φ = 270909440.

The previous prime is 812752861. The next prime is 812752903. The reversal of 812752896 is 698257218.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8041 + ... + 41111.

Almost surely, 2812752896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812752896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083637152).

812752896 is an abundant number, since it is smaller than the sum of its proper divisors (1354521408).

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

812752896 is an equidigital number, since it uses as much as digits as its factorization.

812752896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33100 (or 33076 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 812752896 is about 28508.8213716386. The cubic root of 812752896 is about 933.2245932272.

The spelling of 812752896 in words is "eight hundred twelve million, seven hundred fifty-two thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 3072 4096 6144 8192 12288 24576 33071 66142 99213 132284 198426 264568 396852 529136 793704 1058272 1587408 2116544 3174816 4233088 6349632 8466176 12699264 16932352 25398528 33864704 50797056 67729408 101594112 135458816 203188224 270917632 406376448 812752896