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11375231 = 75330661
BaseRepresentation
bin101011011001…
…001001111111
3210101220212212
4223121021333
510403001411
61043451035
7165454640
oct53311177
923356785
1011375231
11646a41a
123986a7b
13248380a
1417216c7
15eea68b
hexad927f

11375231 has 8 divisors (see below), whose sum is σ = 13245984. Its totient is φ = 9565920.

The previous prime is 11375213. The next prime is 11375237. The reversal of 11375231 is 13257311.

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

It is not a de Polignac number, because 11375231 - 214 = 11358847 is a prime.

It is a super-2 number, since 2×113752312 = 258791760606722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11375197 and 11375206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11375237) 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, 14960 + ... + 15701.

It is an arithmetic number, because the mean of its divisors is an integer number (1655748).

Almost surely, 211375231 is an apocalyptic number.

11375231 is a deficient number, since it is larger than the sum of its proper divisors (1870753).

11375231 is an equidigital number, since it uses as much as digits as its factorization.

11375231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30721.

The product of its digits is 630, while the sum is 23.

The square root of 11375231 is about 3372.7186363526. The cubic root of 11375231 is about 224.8985946336.

The spelling of 11375231 in words is "eleven million, three hundred seventy-five thousand, two hundred thirty-one".

Divisors: 1 7 53 371 30661 214627 1625033 11375231