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931242 = 231311939
BaseRepresentation
bin11100011010110101010
31202022102110
43203112222
5214244432
631543150
710625664
oct3432652
91668373
10931242
11586724
1238aab6
13267b40
141a3534
15135dcc
hexe35aa

931242 has 16 divisors (see below), whose sum is σ = 2005920. Its totient is φ = 286512.

The previous prime is 931241. The next prime is 931267. The reversal of 931242 is 242139.

It is not an unprimeable number, because it can be changed into a prime (931241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5892 + ... + 6047.

It is an arithmetic number, because the mean of its divisors is an integer number (125370).

2931242 is an apocalyptic number.

931242 is an abundant number, since it is smaller than the sum of its proper divisors (1074678).

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

931242 is a wasteful number, since it uses less digits than its factorization.

931242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11957.

The product of its digits is 432, while the sum is 21.

The square root of 931242 is about 965.0088082500. The cubic root of 931242 is about 97.6534336318.

The spelling of 931242 in words is "nine hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 11939 23878 35817 71634 155207 310414 465621 931242