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13029380 = 2257137159
BaseRepresentation
bin110001101101…
…000000000100
3220111221221122
4301231000010
511313420010
61143133112
7215514350
oct61550004
926457848
1013029380
11739a191
124444198
1329126c0
141a32460
151225855
hexc6d004

13029380 has 48 divisors (see below), whose sum is σ = 33680640. Its totient is φ = 4123008.

The previous prime is 13029377. The next prime is 13029407. The reversal of 13029380 is 8392031.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1760 + ... + 5399.

It is an arithmetic number, because the mean of its divisors is an integer number (701680).

Almost surely, 213029380 is an apocalyptic number.

13029380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13029380 is an abundant number, since it is smaller than the sum of its proper divisors (20651260).

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

13029380 is a wasteful number, since it uses less digits than its factorization.

13029380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7188 (or 7186 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 13029380 is about 3609.6232490386. The cubic root of 13029380 is about 235.3104693783.

The spelling of 13029380 in words is "thirteen million, twenty-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 7159 14318 28636 35795 50113 71590 93067 100226 143180 186134 200452 250565 372268 465335 501130 651469 930670 1002260 1302938 1861340 2605876 3257345 6514690 13029380