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285233463 = 32172109663
BaseRepresentation
bin10001000000000…
…101000100110111
3201212201100202100
4101000011010313
51041004432323
644145313143
710032305304
oct2100050467
9655640670
10285233463
11137009139
127b6357b3
134712a7c8
1429c4c0ab
151a093943
hex11005137

285233463 has 18 divisors (see below), whose sum is σ = 437669024. Its totient is φ = 178968384.

The previous prime is 285233461. The next prime is 285233467. The reversal of 285233463 is 364332582.

It is a happy number.

It is not a de Polignac number, because 285233463 - 21 = 285233461 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285233461) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52231 + ... + 57432.

Almost surely, 2285233463 is an apocalyptic number.

285233463 is a deficient number, since it is larger than the sum of its proper divisors (152435561).

285233463 is a wasteful number, since it uses less digits than its factorization.

285233463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109703 (or 109683 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 285233463 is about 16888.8561779654. The cubic root of 285233463 is about 658.2640814762.

It can be divided in two parts, 2852 and 33463, that added together give a triangular number (36315 = T269).

The spelling of 285233463 in words is "two hundred eighty-five million, two hundred thirty-three thousand, four hundred sixty-three".

Divisors: 1 3 9 17 51 153 289 867 2601 109663 328989 986967 1864271 5592813 16778439 31692607 95077821 285233463