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31470606 = 234194263
BaseRepresentation
bin111100000001…
…1010000001110
32012012212120000
41320003100032
531024024411
63042305130
7531332016
oct170032016
965185500
1031470606
1116845372
12a6581a6
13669b47b
144272c46
152b69956
hex1e0340e

31470606 has 20 divisors (see below), whose sum is σ = 70517832. Its totient is φ = 10490148.

The previous prime is 31470581. The next prime is 31470619. The reversal of 31470606 is 60607413.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 31470606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 96970 + ... + 97293.

Almost surely, 231470606 is an apocalyptic number.

31470606 is an abundant number, since it is smaller than the sum of its proper divisors (39047226).

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

31470606 is a wasteful number, since it uses less digits than its factorization.

31470606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194277 (or 194268 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 31470606 is about 5609.8668433395. The cubic root of 31470606 is about 315.7197148807.

The spelling of 31470606 in words is "thirty-one million, four hundred seventy thousand, six hundred six".

Divisors: 1 2 3 6 9 18 27 54 81 162 194263 388526 582789 1165578 1748367 3496734 5245101 10490202 15735303 31470606