Search a number
-
+
31422710 = 2511285661
BaseRepresentation
bin111011111011…
…1100011110110
32012010102212002
41313313203312
531021011320
63041255302
7531042254
oct167674366
965112762
1031422710
1116812390
12a634532
136682727
14425d5d4
152b5a675
hex1df78f6

31422710 has 16 divisors (see below), whose sum is σ = 61702992. Its totient is φ = 11426400.

The previous prime is 31422679. The next prime is 31422733. The reversal of 31422710 is 1722413.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142721 + ... + 142940.

It is an arithmetic number, because the mean of its divisors is an integer number (3856437).

Almost surely, 231422710 is an apocalyptic number.

31422710 is a deficient number, since it is larger than the sum of its proper divisors (30280282).

31422710 is a wasteful number, since it uses less digits than its factorization.

31422710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285679.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 31422710 is about 5605.5963108308. The cubic root of 31422710 is about 315.5594659875.

The spelling of 31422710 in words is "thirty-one million, four hundred twenty-two thousand, seven hundred ten".

Divisors: 1 2 5 10 11 22 55 110 285661 571322 1428305 2856610 3142271 6284542 15711355 31422710