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31076053 = 31199923
BaseRepresentation
bin111011010001…
…0111011010101
32011110211022221
41312202323111
530423413203
63030022341
7525066511
oct166427325
964424287
1031076053
11165a5998
12a4a79b1
1365909c8
1441ad141
152adcabd
hex1da2ed5

31076053 has 4 divisors (see below), whose sum is σ = 31176288. Its totient is φ = 30975820.

The previous prime is 31076047. The next prime is 31076063. The reversal of 31076053 is 35067013.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35067013 = 41855293.

It is a cyclic number.

It is not a de Polignac number, because 31076053 - 25 = 31076021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31076063) 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, 49651 + ... + 50272.

It is an arithmetic number, because the mean of its divisors is an integer number (7794072).

Almost surely, 231076053 is an apocalyptic number.

It is an amenable number.

31076053 is a deficient number, since it is larger than the sum of its proper divisors (100235).

31076053 is an equidigital number, since it uses as much as digits as its factorization.

31076053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100234.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 31076053 is about 5574.5899400763. The cubic root of 31076053 is about 314.3947494467.

The spelling of 31076053 in words is "thirty-one million, seventy-six thousand, fifty-three".

Divisors: 1 311 99923 31076053