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31934073 = 310644691
BaseRepresentation
bin111100111010…
…0011001111001
32020002102022110
41321310121321
531133342243
63100242533
7535302153
oct171643171
966072273
1031934073
11170315a6
12a840449
136801402
144353ad3
152c0be33
hex1e74679

31934073 has 4 divisors (see below), whose sum is σ = 42578768. Its totient is φ = 21289380.

The previous prime is 31934053. The next prime is 31934087. The reversal of 31934073 is 37043913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31934073 - 214 = 31917689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31934073.

It is not an unprimeable number, because it can be changed into a prime (31934053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5322343 + ... + 5322348.

It is an arithmetic number, because the mean of its divisors is an integer number (10644692).

Almost surely, 231934073 is an apocalyptic number.

It is an amenable number.

31934073 is a deficient number, since it is larger than the sum of its proper divisors (10644695).

31934073 is a wasteful number, since it uses less digits than its factorization.

31934073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10644694.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 31934073 is about 5651.0240664856. The cubic root of 31934073 is about 317.2620342674.

Adding to 31934073 its reverse (37043913), we get a palindrome (68977986).

The spelling of 31934073 in words is "thirty-one million, nine hundred thirty-four thousand, seventy-three".

Divisors: 1 3 10644691 31934073