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807894992 = 24291741153
BaseRepresentation
bin110000001001110…
…111111111010000
32002022012022120202
4300021313333100
53123310114432
6212055554332
726006664662
oct6011677720
92068168522
10807894992
11385043513
121a668b9a8
13cb4b8598
1479422532
154add6462
hex30277fd0

807894992 has 20 divisors (see below), whose sum is σ = 1619273220. Its totient is φ = 390018048.

The previous prime is 807894979. The next prime is 807895007. The reversal of 807894992 is 299498708.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 234579856 + 573315136 = 15316^2 + 23944^2 .

It is a congruent number.

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, 870113 + ... + 871040.

It is an arithmetic number, because the mean of its divisors is an integer number (80963661).

Almost surely, 2807894992 is an apocalyptic number.

It is an amenable number.

807894992 is an abundant number, since it is smaller than the sum of its proper divisors (811378228).

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

807894992 is a wasteful number, since it uses less digits than its factorization.

807894992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741190 (or 1741184 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 56.

The square root of 807894992 is about 28423.4936628135. The cubic root of 807894992 is about 931.3615513594.

The spelling of 807894992 in words is "eight hundred seven million, eight hundred ninety-four thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 29 58 116 232 464 1741153 3482306 6964612 13929224 27858448 50493437 100986874 201973748 403947496 807894992