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13037828 = 223259457
BaseRepresentation
bin110001101111…
…000100000100
3220112101112112
4301233010010
511314202303
61143240152
7215551106
oct61570404
926471475
1013037828
1173a5571
124449058
1329164bb
141a35576
1512280d8
hexc6f104

13037828 has 6 divisors (see below), whose sum is σ = 22816206. Its totient is φ = 6518912.

The previous prime is 13037821. The next prime is 13037833. The reversal of 13037828 is 82873031.

It can be written as a sum of positive squares in only one way, i.e., 13017664 + 20164 = 3608^2 + 142^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13037794 and 13037803.

It is not an unprimeable number, because it can be changed into a prime (13037821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1629725 + ... + 1629732.

It is an arithmetic number, because the mean of its divisors is an integer number (3802701).

Almost surely, 213037828 is an apocalyptic number.

It is an amenable number.

13037828 is a deficient number, since it is larger than the sum of its proper divisors (9778378).

13037828 is a wasteful number, since it uses less digits than its factorization.

13037828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259461 (or 3259459 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 13037828 is about 3610.7932646442. The cubic root of 13037828 is about 235.3613153219.

The spelling of 13037828 in words is "thirteen million, thirty-seven thousand, eight hundred twenty-eight".

Divisors: 1 2 4 3259457 6518914 13037828