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31341242 = 221377333
BaseRepresentation
bin111011110001…
…1101010111010
32011222022002202
41313203222322
531010404432
63035430202
7530252612
oct167435272
964868082
1031341242
1116767159
12a5b5362
13665461a
14423ba42
152b41462
hex1de3aba

31341242 has 8 divisors (see below), whose sum is σ = 47040276. Its totient is φ = 15661152.

The previous prime is 31341229. The next prime is 31341253. The reversal of 31341242 is 24214313.

It can be written as a sum of positive squares in 2 ways, for example, as 20259001 + 11082241 = 4501^2 + 3329^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608 + ... + 7940.

Almost surely, 231341242 is an apocalyptic number.

31341242 is a deficient number, since it is larger than the sum of its proper divisors (15699034).

31341242 is a wasteful number, since it uses less digits than its factorization.

31341242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472.

The product of its digits is 576, while the sum is 20.

The square root of 31341242 is about 5598.3249280477. The cubic root of 31341242 is about 315.2865185142.

Adding to 31341242 its reverse (24214313), we get a palindrome (55555555).

The spelling of 31341242 in words is "thirty-one million, three hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 2137 4274 7333 14666 15670621 31341242