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427290 = 23514243
BaseRepresentation
bin1101000010100011010
3210201010120
41220110122
5102133130
613054110
73426513
oct1502432
9721116
10427290
11272036
12187336
1311c646
14b1a0a
1586910
hex6851a

427290 has 16 divisors (see below), whose sum is σ = 1025568. Its totient is φ = 113936.

The previous prime is 427283. The next prime is 427307. The reversal of 427290 is 92724.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 427290.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7092 + ... + 7151.

It is an arithmetic number, because the mean of its divisors is an integer number (64098).

2427290 is an apocalyptic number.

427290 is an abundant number, since it is smaller than the sum of its proper divisors (598278).

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

427290 is a wasteful number, since it uses less digits than its factorization.

427290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14253.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 427290 is about 653.6742307908. The cubic root of 427290 is about 75.3195256670.

It can be divided in two parts, 427 and 290, that added together give a palindrome (717).

The spelling of 427290 in words is "four hundred twenty-seven thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 14243 28486 42729 71215 85458 142430 213645 427290