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13053020 = 225652651
BaseRepresentation
bin110001110010…
…110001011100
3220120011101012
4301302301130
511320144040
61143434352
7215643311
oct61626134
926504335
1013053020
117405a22
1244559b8
1329203a6
141a3ad08
15122c865
hexc72c5c

13053020 has 12 divisors (see below), whose sum is σ = 27411384. Its totient is φ = 5221200.

The previous prime is 13053017. The next prime is 13053041. The reversal of 13053020 is 2035031.

13053020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×130530202 = 340762662240800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13052986 and 13053004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326306 + ... + 326345.

It is an arithmetic number, because the mean of its divisors is an integer number (2284282).

Almost surely, 213053020 is an apocalyptic number.

13053020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13053020 is an abundant number, since it is smaller than the sum of its proper divisors (14358364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13053020 is a wasteful number, since it uses less digits than its factorization.

13053020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652660 (or 652658 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 13053020 is about 3612.8963450395. The cubic root of 13053020 is about 235.4526961154.

Adding to 13053020 its reverse (2035031), we get a palindrome (15088051).

The spelling of 13053020 in words is "thirteen million, fifty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 652651 1305302 2610604 3263255 6526510 13053020