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797311872 = 2732798873
BaseRepresentation
bin101111100001100…
…000001110000000
32001120021122021100
4233201200032000
53113102434442
6211041054400
725521016260
oct5741401600
92046248240
10797311872
1137a075235
121a3027400
13c9251496
1477c697a0
1549ee584c
hex2f860380

797311872 has 96 divisors (see below), whose sum is σ = 2622138480. Its totient is φ = 227801088.

The previous prime is 797311799. The next prime is 797311897. The reversal of 797311872 is 278113797.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41373 + ... + 57500.

Almost surely, 2797311872 is an apocalyptic number.

797311872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

797311872 is an abundant number, since it is smaller than the sum of its proper divisors (1824826608).

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

797311872 is a wasteful number, since it uses less digits than its factorization.

797311872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98900 (or 98885 counting only the distinct ones).

The product of its digits is 148176, while the sum is 45.

The square root of 797311872 is about 28236.7114232518. The cubic root of 797311872 is about 927.2768345419.

The spelling of 797311872 in words is "seven hundred ninety-seven million, three hundred eleven thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 288 336 384 448 504 576 672 896 1008 1152 1344 2016 2688 4032 8064 98873 197746 296619 395492 593238 692111 790984 889857 1186476 1384222 1581968 1779714 2076333 2372952 2768444 3163936 3559428 4152666 4745904 5536888 6228999 6327872 7118856 8305332 9491808 11073776 12457998 12655744 14237712 16610664 18983616 22147552 24915996 28475424 33221328 37967232 44295104 49831992 56950848 66442656 88590208 99663984 113901696 132885312 199327968 265770624 398655936 797311872