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31123094 = 223676589
BaseRepresentation
bin111011010111…
…0011010010110
32011120012212012
41312232122112
530431414334
63031024222
7525353612
oct166563226
964505765
1031123094
1116628272
12a50b072
1365a9242
1441c2342
152aeb9ce
hex1dae696

31123094 has 8 divisors (see below), whose sum is σ = 48714480. Its totient is φ = 14884936.

The previous prime is 31123093. The next prime is 31123109. The reversal of 31123094 is 49032113.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31123093) 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, 338249 + ... + 338340.

It is an arithmetic number, because the mean of its divisors is an integer number (6089310).

Almost surely, 231123094 is an apocalyptic number.

31123094 is a deficient number, since it is larger than the sum of its proper divisors (17591386).

31123094 is a wasteful number, since it uses less digits than its factorization.

31123094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676614.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 31123094 is about 5578.8075786856. The cubic root of 31123094 is about 314.5533065542.

The spelling of 31123094 in words is "thirty-one million, one hundred twenty-three thousand, ninety-four".

Divisors: 1 2 23 46 676589 1353178 15561547 31123094