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13070428 = 227466801
BaseRepresentation
bin110001110111…
…000001011100
3220121001020221
4301313001130
511321223203
61144051124
7216045130
oct61670134
926531227
1013070428
117418008
124463aa4
1329282a7
141a433c0
151232abd
hexc7705c

13070428 has 12 divisors (see below), whose sum is σ = 26140912. Its totient is φ = 5601600.

The previous prime is 13070419. The next prime is 13070479. The reversal of 13070428 is 82407031.

13070428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

13070428 is an admirable number.

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, 233373 + ... + 233428.

Almost surely, 213070428 is an apocalyptic number.

It is an amenable number.

13070428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13070428 is a wasteful number, since it uses less digits than its factorization.

13070428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466812 (or 466810 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 13070428 is about 3615.3046897876. The cubic root of 13070428 is about 235.5573191527.

Adding to 13070428 its reverse (82407031), we get a palindrome (95477459).

The spelling of 13070428 in words is "thirteen million, seventy thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 466801 933602 1867204 3267607 6535214 13070428