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2312493 = 31745343
BaseRepresentation
bin1000110100100100101101
311100111010220
420310210231
51042444433
6121321553
725440651
oct10644455
94314126
102312493
11133a457
129362b9
1362c751
14442a61
1530a2b3
hex23492d

2312493 has 8 divisors (see below), whose sum is σ = 3264768. Its totient is φ = 1450944.

The previous prime is 2312477. The next prime is 2312521. The reversal of 2312493 is 3942132.

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

It is not a de Polignac number, because 2312493 - 24 = 2312477 is a prime.

It is a super-3 number, since 3×23124933 = 37099028333051061471, which contains 333 as substring.

It is a Curzon number.

2312493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22621 + ... + 22722.

It is an arithmetic number, because the mean of its divisors is an integer number (408096).

22312493 is an apocalyptic number.

It is an amenable number.

2312493 is a deficient number, since it is larger than the sum of its proper divisors (952275).

2312493 is a wasteful number, since it uses less digits than its factorization.

2312493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45363.

The product of its digits is 1296, while the sum is 24.

The square root of 2312493 is about 1520.6883309870. The cubic root of 2312493 is about 132.2391783866.

The spelling of 2312493 in words is "two million, three hundred twelve thousand, four hundred ninety-three".

Divisors: 1 3 17 51 45343 136029 770831 2312493