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13670652 = 22317193527
BaseRepresentation
bin110100001001…
…100011111100
3221201112121110
4310021203330
511444430102
61205002020
7224125062
oct64114374
927645543
1013670652
117797a66
1246b3310
132aa8558
141b5c032
15130086c
hexd098fc

13670652 has 48 divisors (see below), whose sum is σ = 35562240. Its totient is φ = 4061952.

The previous prime is 13670651. The next prime is 13670707. The reversal of 13670652 is 25607631.

13670652 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 2×136706522 = 373773452210208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13670651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2113 + ... + 5639.

It is an arithmetic number, because the mean of its divisors is an integer number (740880).

Almost surely, 213670652 is an apocalyptic number.

13670652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13670652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17781120).

13670652 is an abundant number, since it is smaller than the sum of its proper divisors (21891588).

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

13670652 is a wasteful number, since it uses less digits than its factorization.

13670652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570 (or 3568 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 13670652 is about 3697.3844809541. The cubic root of 13670652 is about 239.1092676840.

The spelling of 13670652 in words is "thirteen million, six hundred seventy thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 19 34 38 51 57 68 76 102 114 204 228 323 646 969 1292 1938 3527 3876 7054 10581 14108 21162 42324 59959 67013 119918 134026 179877 201039 239836 268052 359754 402078 719508 804156 1139221 2278442 3417663 4556884 6835326 13670652