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11312297 = 231732843
BaseRepresentation
bin101011001001…
…110010101001
3210021201112222
4223021302221
510343443142
61042243425
7165103313
oct53116251
923251488
1011312297
116427107
123956575
132460c89
1417067b3
15ed6bd2
hexac9ca9

11312297 has 8 divisors (see below), whose sum is σ = 11876544. Its totient is φ = 10754128.

The previous prime is 11312281. The next prime is 11312333. The reversal of 11312297 is 79221311.

11312297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11312297 - 24 = 11312281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312207) 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, 2558 + ... + 5400.

It is an arithmetic number, because the mean of its divisors is an integer number (1484568).

Almost surely, 211312297 is an apocalyptic number.

It is an amenable number.

11312297 is a deficient number, since it is larger than the sum of its proper divisors (564247).

11312297 is a wasteful number, since it uses less digits than its factorization.

11312297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039.

The product of its digits is 756, while the sum is 26.

The square root of 11312297 is about 3363.3758338907. The cubic root of 11312297 is about 224.4830733779.

The spelling of 11312297 in words is "eleven million, three hundred twelve thousand, two hundred ninety-seven".

Divisors: 1 23 173 2843 3979 65389 491839 11312297