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285750534 = 2347625089
BaseRepresentation
bin10001000010000…
…011010100000110
3201220200122001010
4101002003110012
51041123004114
644204343050
710036560636
oct2102032406
9656618033
10285750534
11137331673
127b844a86
134727bc74
1429d446c6
151a146c59
hex11083506

285750534 has 8 divisors (see below), whose sum is σ = 571501080. Its totient is φ = 95250176.

The previous prime is 285750503. The next prime is 285750539. The reversal of 285750534 is 435057582.

It is a sphenic number, since it is the product of 3 distinct primes.

285750534 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 285750492 and 285750501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285750539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23812539 + ... + 23812550.

It is an arithmetic number, because the mean of its divisors is an integer number (71437635).

Almost surely, 2285750534 is an apocalyptic number.

285750534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

285750534 is a wasteful number, since it uses less digits than its factorization.

285750534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47625094.

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 285750534 is about 16904.1572993155. The cubic root of 285750534 is about 658.6616082325.

The spelling of 285750534 in words is "two hundred eighty-five million, seven hundred fifty thousand, five hundred thirty-four".

Divisors: 1 2 3 6 47625089 95250178 142875267 285750534