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631342 = 2315671
BaseRepresentation
bin10011010001000101110
31012002001001
42122020232
5130200332
621310514
75236435
oct2321056
91162031
10631342
113a1378
1226543a
1319149a
1412611c
15c70e7
hex9a22e

631342 has 4 divisors (see below), whose sum is σ = 947016. Its totient is φ = 315670.

The previous prime is 631339. The next prime is 631357. The reversal of 631342 is 243136.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157834 + ... + 157837.

It is an arithmetic number, because the mean of its divisors is an integer number (236754).

2631342 is an apocalyptic number.

631342 is a deficient number, since it is larger than the sum of its proper divisors (315674).

631342 is a wasteful number, since it uses less digits than its factorization.

631342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315673.

The product of its digits is 432, while the sum is 19.

The square root of 631342 is about 794.5703241375. The cubic root of 631342 is about 85.7870157830.

Adding to 631342 its reverse (243136), we get a palindrome (874478).

It can be divided in two parts, 63134 and 2, that added together give a palindrome (63136).

The spelling of 631342 in words is "six hundred thirty-one thousand, three hundred forty-two".

Divisors: 1 2 315671 631342