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31494274 = 272249591
BaseRepresentation
bin111100000100…
…1000010000010
32012021002000121
41320021002002
531030304044
63043010454
7531461020
oct170110202
965232017
1031494274
1116861129
12a669a2a
1366a9186
14427b710
152b71984
hex1e09082

31494274 has 8 divisors (see below), whose sum is σ = 53990208. Its totient is φ = 13497540.

The previous prime is 31494263. The next prime is 31494293. The reversal of 31494274 is 47249413.

It is a happy number.

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, 1124782 + ... + 1124809.

It is an arithmetic number, because the mean of its divisors is an integer number (6748776).

Almost surely, 231494274 is an apocalyptic number.

31494274 is a deficient number, since it is larger than the sum of its proper divisors (22495934).

31494274 is a wasteful number, since it uses less digits than its factorization.

31494274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249600.

The product of its digits is 24192, while the sum is 34.

The square root of 31494274 is about 5611.9759443533. The cubic root of 31494274 is about 315.7988424930.

The spelling of 31494274 in words is "thirty-one million, four hundred ninety-four thousand, two hundred seventy-four".

Divisors: 1 2 7 14 2249591 4499182 15747137 31494274