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11172307 = 311033499
BaseRepresentation
bin101010100111…
…100111010011
3210000121112011
4222213213103
510330003212
61035243351
7163651216
oct52474723
923017464
1011172307
116340a13
1238a9557
132412343
1416ab77d
15eaa4a7
hexaa79d3

11172307 has 8 divisors (see below), whose sum is σ = 11648000. Its totient is φ = 10703880.

The previous prime is 11172289. The next prime is 11172311. The reversal of 11172307 is 70327111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11172307 is a prime.

It is the 3343-rd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11172397) by changing a digit.

It is a nontrivial repunit in base 3342.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444 + ... + 4942.

It is an arithmetic number, because the mean of its divisors is an integer number (1456000).

Almost surely, 211172307 is an apocalyptic number.

11172307 is a deficient number, since it is larger than the sum of its proper divisors (475693).

11172307 is a wasteful number, since it uses less digits than its factorization.

11172307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 11172307 is about 3342.5001121915. The cubic root of 11172307 is about 223.5532323360.

Adding to 11172307 its reverse (70327111), we get a palindrome (81499418).

The spelling of 11172307 in words is "eleven million, one hundred seventy-two thousand, three hundred seven".

Divisors: 1 31 103 3193 3499 108469 360397 11172307