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3112493 = 31100403
BaseRepresentation
bin1011110111111000101101
312212010112112
423313320231
51244044433
6150413405
735312216
oct13677055
95763475
103112493
11183650a
121061265
1384c917
145b040d
15417348
hex2f7e2d

3112493 has 4 divisors (see below), whose sum is σ = 3212928. Its totient is φ = 3012060.

The previous prime is 3112489. The next prime is 3112507. The reversal of 3112493 is 3942113.

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 a cyclic number.

It is not a de Polignac number, because 3112493 - 22 = 3112489 is a prime.

It is a super-2 number, since 2×31124932 = 19375225350098, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112423) 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, 50171 + ... + 50232.

It is an arithmetic number, because the mean of its divisors is an integer number (803232).

Almost surely, 23112493 is an apocalyptic number.

It is an amenable number.

3112493 is a deficient number, since it is larger than the sum of its proper divisors (100435).

3112493 is a wasteful number, since it uses less digits than its factorization.

3112493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100434.

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

The square root of 3112493 is about 1764.2258925659. The cubic root of 3112493 is about 146.0055824475.

The spelling of 3112493 in words is "three million, one hundred twelve thousand, four hundred ninety-three".

Divisors: 1 31 100403 3112493