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285383375 = 532283067
BaseRepresentation
bin10001000000101…
…001101011001111
3201212222222101122
4101000221223033
51041024232000
644152431155
710033501334
oct2100515317
9655888348
10285383375
11137100832
127b6a84bb
1347180b04
1429c8a98b
151a0c3085
hex11029acf

285383375 has 8 divisors (see below), whose sum is σ = 356158608. Its totient is φ = 228306600.

The previous prime is 285383359. The next prime is 285383387. The reversal of 285383375 is 573383582.

It is not a de Polignac number, because 285383375 - 24 = 285383359 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1141409 + ... + 1141658.

It is an arithmetic number, because the mean of its divisors is an integer number (44519826).

Almost surely, 2285383375 is an apocalyptic number.

285383375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

285383375 is a deficient number, since it is larger than the sum of its proper divisors (70775233).

285383375 is an equidigital number, since it uses as much as digits as its factorization.

285383375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283082 (or 2283072 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 285383375 is about 16893.2937877727. The cubic root of 285383375 is about 658.3793839851.

It can be divided in two parts, 28538 and 3375, that added together give a palindrome (31913).

The spelling of 285383375 in words is "two hundred eighty-five million, three hundred eighty-three thousand, three hundred seventy-five".

Divisors: 1 5 25 125 2283067 11415335 57076675 285383375