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13102704 = 2432194789
BaseRepresentation
bin110001111110…
…111001110000
3220122200112100
4301332321300
511323241304
61144500400
7216241206
oct61767160
926580470
1013102704
11743a28a
12447a700
132939ba4
141a51076
15123c439
hexc7ee70

13102704 has 60 divisors (see below), whose sum is σ = 38607400. Its totient is φ = 4136832.

The previous prime is 13102679. The next prime is 13102711. The reversal of 13102704 is 40720131.

It is a super-2 number, since 2×131027042 = 343361704223232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342 + ... + 5130.

Almost surely, 213102704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13102704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19303700).

13102704 is an abundant number, since it is smaller than the sum of its proper divisors (25504696).

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

13102704 is a wasteful number, since it uses less digits than its factorization.

13102704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822 (or 4813 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 13102704 is about 3619.7657382764. The cubic root of 13102704 is about 235.7510541620.

Adding to 13102704 its reverse (40720131), we get a palindrome (53822835).

The spelling of 13102704 in words is "thirteen million, one hundred two thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 144 152 171 228 304 342 456 684 912 1368 2736 4789 9578 14367 19156 28734 38312 43101 57468 76624 86202 90991 114936 172404 181982 229872 272973 344808 363964 545946 689616 727928 818919 1091892 1455856 1637838 2183784 3275676 4367568 6551352 13102704