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13502227 = 53373683
BaseRepresentation
bin110011100000…
…011100010011
3221101222120111
4303200130103
511424032402
61201222151
7222524044
oct63403423
927358514
1013502227
117692472
124631957
132a499ab
141b168cb
1512ba9d7
hexce0713

13502227 has 8 divisors (see below), whose sum is σ = 13814064. Its totient is φ = 13192608.

The previous prime is 13502201. The next prime is 13502249. The reversal of 13502227 is 72220531.

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 13502227 - 215 = 13469459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13502198 and 13502207.

It is not an unprimeable number, because it can be changed into a prime (13502287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19428 + ... + 20110.

It is an arithmetic number, because the mean of its divisors is an integer number (1726758).

Almost surely, 213502227 is an apocalyptic number.

13502227 is a deficient number, since it is larger than the sum of its proper divisors (311837).

13502227 is an equidigital number, since it uses as much as digits as its factorization.

13502227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 13502227 is about 3674.5376579918. The cubic root of 13502227 is about 238.1232501944.

Adding to 13502227 its reverse (72220531), we get a palindrome (85722758).

The spelling of 13502227 in words is "thirteen million, five hundred two thousand, two hundred twenty-seven".

Divisors: 1 53 373 683 19769 36199 254759 13502227