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426228 = 223113229
BaseRepresentation
bin1101000000011110100
3210122200020
41220003310
5102114403
613045140
73423435
oct1500364
9718606
10426228
11271260
121867b0
1311c00a
14b148c
1586453
hex680f4

426228 has 24 divisors (see below), whose sum is σ = 1085280. Its totient is φ = 129120.

The previous prime is 426211. The next prime is 426229. The reversal of 426228 is 822624.

It is a junction number, because it is equal to n+sod(n) for n = 426198 and 426207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426229) by changing a digit.

426228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1483 + ... + 1746.

It is an arithmetic number, because the mean of its divisors is an integer number (45220).

2426228 is an apocalyptic number.

It is an amenable number.

426228 is an abundant number, since it is smaller than the sum of its proper divisors (659052).

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

426228 is a wasteful number, since it uses less digits than its factorization.

426228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247 (or 3245 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 426228 is about 652.8613941718. The cubic root of 426228 is about 75.2570733924.

The spelling of 426228 in words is "four hundred twenty-six thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 3229 6458 9687 12916 19374 35519 38748 71038 106557 142076 213114 426228