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31044038 = 2113137363
BaseRepresentation
bin111011001101…
…1000111000110
32011102012102012
41312123013012
530421402123
63025214222
7524604254
oct166330706
964365365
1031044038
1116583933
12a491372
13657c26c
1441a15d4
152ad3378
hex1d9b1c6

31044038 has 8 divisors (see below), whose sum is σ = 46978488. Its totient is φ = 15384544.

The previous prime is 31044031. The next prime is 31044049. The reversal of 31044038 is 83044013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31044031) 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, 68456 + ... + 68907.

It is an arithmetic number, because the mean of its divisors is an integer number (5872311).

Almost surely, 231044038 is an apocalyptic number.

31044038 is a deficient number, since it is larger than the sum of its proper divisors (15934450).

31044038 is a wasteful number, since it uses less digits than its factorization.

31044038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137478.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 31044038 is about 5571.7176884691. The cubic root of 31044038 is about 314.2867476747.

The spelling of 31044038 in words is "thirty-one million, forty-four thousand, thirty-eight".

Divisors: 1 2 113 226 137363 274726 15522019 31044038