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2313993 = 31170121
BaseRepresentation
bin1000110100111100001001
311100120012110
420310330021
51043021433
6121332533
725445223
oct10647411
94316173
102313993
1113405a0
12937149
13630336
14443413
1530a963
hex234f09

2313993 has 8 divisors (see below), whose sum is σ = 3365856. Its totient is φ = 1402400.

The previous prime is 2313977. The next prime is 2314003. The reversal of 2313993 is 3993132.

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

It is a cyclic number.

It is not a de Polignac number, because 2313993 - 24 = 2313977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2313993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313973) 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, 35028 + ... + 35093.

It is an arithmetic number, because the mean of its divisors is an integer number (420732).

22313993 is an apocalyptic number.

It is an amenable number.

2313993 is a deficient number, since it is larger than the sum of its proper divisors (1051863).

2313993 is a wasteful number, since it uses less digits than its factorization.

2313993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70135.

The product of its digits is 4374, while the sum is 30.

The square root of 2313993 is about 1521.1814487430. The cubic root of 2313993 is about 132.2677645480.

It can be divided in two parts, 23139 and 93, that added together give a palindrome (23232).

The spelling of 2313993 in words is "two million, three hundred thirteen thousand, nine hundred ninety-three".

Divisors: 1 3 11 33 70121 210363 771331 2313993