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31468 = 227867
BaseRepresentation
bin111101011101100
31121011111
413223230
52001333
6401404
7160513
oct75354
947144
1031468
1121708
1216264
1311428
14b67a
1594cd
hex7aec

31468 has 6 divisors (see below), whose sum is σ = 55076. Its totient is φ = 15732.

The previous prime is 31397. The next prime is 31469. The reversal of 31468 is 86413.

It is not an unprimeable number, because it can be changed into a prime (31469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3930 + ... + 3937.

231468 is an apocalyptic number.

It is an amenable number.

31468 is a deficient number, since it is larger than the sum of its proper divisors (23608).

31468 is a wasteful number, since it uses less digits than its factorization.

31468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871 (or 7869 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 31468 is about 177.3922207990. The cubic root of 31468 is about 31.5710999994.

Multiplying 31468 by its sum of digits (22), we get a palindrome (692296).

Subtracting 31468 from its reverse (86413), we obtain a palindrome (54945).

The spelling of 31468 in words is "thirty-one thousand, four hundred sixty-eight".

Divisors: 1 2 4 7867 15734 31468