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807090474 = 231929244129
BaseRepresentation
bin110000000110110…
…011100100101010
32002020200102222210
4300012303210222
53123103343344
6212030425550
726000104311
oct6006634452
92066612883
10807090474
11384644023
121a63622b6
13cb296338
1479293278
154acc7db9
hex301b392a

807090474 has 32 divisors (see below), whose sum is σ = 1757736000. Its totient is φ = 246081024.

The previous prime is 807090467. The next prime is 807090511. The reversal of 807090474 is 474090708.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 118759 + ... + 125370.

It is an arithmetic number, because the mean of its divisors is an integer number (54929250).

Almost surely, 2807090474 is an apocalyptic number.

807090474 is an abundant number, since it is smaller than the sum of its proper divisors (950645526).

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

807090474 is a wasteful number, since it uses less digits than its factorization.

807090474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244182.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 807090474 is about 28409.3377958727. The cubic root of 807090474 is about 931.0522925245.

The spelling of 807090474 in words is "eight hundred seven million, ninety thousand, four hundred seventy-four".

Divisors: 1 2 3 6 19 29 38 57 58 87 114 174 551 1102 1653 3306 244129 488258 732387 1464774 4638451 7079741 9276902 13915353 14159482 21239223 27830706 42478446 134515079 269030158 403545237 807090474