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285114764 = 221127123911
BaseRepresentation
bin10000111111101…
…000000110001100
3201212111022221002
4100333220012030
51040442133024
644142555432
710031302244
oct2077500614
9655438832
10285114764
11136a37a40
127b598b78
13470b877c
1429c1ab24
151a06d6ae
hex10fe818c

285114764 has 24 divisors (see below), whose sum is σ = 546341376. Its totient is φ = 129114000.

The previous prime is 285114763. The next prime is 285114773. The reversal of 285114764 is 467411582.

It is not an unprimeable number, because it can be changed into a prime (285114761) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32 + ... + 23879.

It is an arithmetic number, because the mean of its divisors is an integer number (22764224).

Almost surely, 2285114764 is an apocalyptic number.

It is an amenable number.

285114764 is a deficient number, since it is larger than the sum of its proper divisors (261226612).

285114764 is a wasteful number, since it uses less digits than its factorization.

285114764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24197 (or 24195 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 285114764 is about 16885.3416903538. The cubic root of 285114764 is about 658.1727573044.

The spelling of 285114764 in words is "two hundred eighty-five million, one hundred fourteen thousand, seven hundred sixty-four".

Divisors: 1 2 4 11 22 44 271 542 1084 2981 5962 11924 23911 47822 95644 263021 526042 1052084 6479881 12959762 25919524 71278691 142557382 285114764