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13036157 = 88114797
BaseRepresentation
bin110001101110…
…101001111101
3220112022020122
4301232221331
511314124112
61143224325
7215543201
oct61565175
926468218
1013036157
1173a4292
1244480a5
132915804
141a34b01
151227872
hexc6ea7d

13036157 has 4 divisors (see below), whose sum is σ = 13051836. Its totient is φ = 13020480.

The previous prime is 13036139. The next prime is 13036183. The reversal of 13036157 is 75163031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75163031 = 193955949.

It can be written as a sum of positive squares in 2 ways, for example, as 3463321 + 9572836 = 1861^2 + 3094^2 .

It is a cyclic number.

It is not a de Polignac number, because 13036157 - 210 = 13035133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13036757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6518 + ... + 8279.

It is an arithmetic number, because the mean of its divisors is an integer number (3262959).

Almost surely, 213036157 is an apocalyptic number.

It is an amenable number.

13036157 is a deficient number, since it is larger than the sum of its proper divisors (15679).

13036157 is an equidigital number, since it uses as much as digits as its factorization.

13036157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15678.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13036157 is about 3610.5618676322. The cubic root of 13036157 is about 235.3512598239.

Adding to 13036157 its reverse (75163031), we get a palindrome (88199188).

The spelling of 13036157 in words is "thirteen million, thirty-six thousand, one hundred fifty-seven".

Divisors: 1 881 14797 13036157