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285424477 = 1359372131
BaseRepresentation
bin10001000000110…
…011101101011101
3201220002001202221
4101000303231131
51041032040402
644153345341
710034032222
oct2100635535
9656061687
10285424477
111371296a8
127b708251
1347196730
1429c9b949
151a0d0337
hex11033b5d

285424477 has 8 divisors (see below), whose sum is σ = 312590880. Its totient is φ = 259002480.

The previous prime is 285424463. The next prime is 285424481. The reversal of 285424477 is 774424582.

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

It is a cyclic number.

It is not a de Polignac number, because 285424477 - 211 = 285422429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285427477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185299 + ... + 186832.

It is an arithmetic number, because the mean of its divisors is an integer number (39073860).

Almost surely, 2285424477 is an apocalyptic number.

It is an amenable number.

285424477 is a deficient number, since it is larger than the sum of its proper divisors (27166403).

285424477 is a wasteful number, since it uses less digits than its factorization.

285424477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372203.

The product of its digits is 501760, while the sum is 43.

The square root of 285424477 is about 16894.5102622124. The cubic root of 285424477 is about 658.4109899029.

The spelling of 285424477 in words is "two hundred eighty-five million, four hundred twenty-four thousand, four hundred seventy-seven".

Divisors: 1 13 59 767 372131 4837703 21955729 285424477