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427956 = 223191877
BaseRepresentation
bin1101000011110110100
3210202001020
41220132310
5102143311
613101140
73431454
oct1503664
9722036
10427956
11272591
121877b0
1311ca39
14b1d64
1586c06
hex687b4

427956 has 24 divisors (see below), whose sum is σ = 1051680. Its totient is φ = 135072.

The previous prime is 427951. The next prime is 427957. The reversal of 427956 is 659724.

427956 = T209 + T210 + ... + T226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427951) 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, 711 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (43820).

2427956 is an apocalyptic number.

It is an amenable number.

427956 is an abundant number, since it is smaller than the sum of its proper divisors (623724).

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

427956 is a wasteful number, since it uses less digits than its factorization.

427956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903 (or 1901 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 427956 is about 654.1834605063. The cubic root of 427956 is about 75.3586378737.

The spelling of 427956 in words is "four hundred twenty-seven thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 1877 3754 5631 7508 11262 22524 35663 71326 106989 142652 213978 427956