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11224157 = 72396709
BaseRepresentation
bin101010110100…
…010001011101
3210010020122112
4222310101131
510333133112
61040323405
7164255330
oct52642135
923106575
1011224157
11637696a
123913565
13242cb19
1416c2617
15ebaa22
hexab445d

11224157 has 8 divisors (see below), whose sum is σ = 12883200. Its totient is φ = 9579024.

The previous prime is 11224141. The next prime is 11224159. The reversal of 11224157 is 75142211.

11224157 is digitally balanced in base 2 and base 3, because in such bases 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 not a de Polignac number, because 11224157 - 24 = 11224141 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11224159) 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, 1682 + ... + 5027.

It is an arithmetic number, because the mean of its divisors is an integer number (1610400).

Almost surely, 211224157 is an apocalyptic number.

It is an amenable number.

11224157 is a deficient number, since it is larger than the sum of its proper divisors (1659043).

11224157 is an equidigital number, since it uses as much as digits as its factorization.

11224157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955.

The product of its digits is 560, while the sum is 23.

The square root of 11224157 is about 3350.2473043046. The cubic root of 11224157 is about 223.8985310518.

Adding to 11224157 its reverse (75142211), we get a palindrome (86366368).

The spelling of 11224157 in words is "eleven million, two hundred twenty-four thousand, one hundred fifty-seven".

Divisors: 1 7 239 1673 6709 46963 1603451 11224157