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808018074 = 232431043951
BaseRepresentation
bin110000001010010…
…110000010011010
32002022102120102100
4300022112002122
53123323034244
6212102344230
726011016553
oct6012260232
92068376370
10808018074
11385117a36
121a672b076
13cb52c606
147945532a
154ae0cb69
hex3029609a

808018074 has 24 divisors (see below), whose sum is σ = 1791421632. Its totient is φ = 263075400.

The previous prime is 808018067. The next prime is 808018091. The reversal of 808018074 is 470810808.

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, 521202 + ... + 522749.

It is an arithmetic number, because the mean of its divisors is an integer number (74642568).

Almost surely, 2808018074 is an apocalyptic number.

808018074 is an abundant number, since it is smaller than the sum of its proper divisors (983403558).

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

808018074 is a wasteful number, since it uses less digits than its factorization.

808018074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044002 (or 1043999 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 808018074 is about 28425.6587258765. The cubic root of 808018074 is about 931.4088462936.

The spelling of 808018074 in words is "eight hundred eight million, eighteen thousand, seventy-four".

Divisors: 1 2 3 6 9 18 43 86 129 258 387 774 1043951 2087902 3131853 6263706 9395559 18791118 44889893 89779786 134669679 269339358 404009037 808018074