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13002308 = 221119103151
BaseRepresentation
bin110001100110…
…011001000100
3220110120210222
4301212121010
511312033213
61142403512
7215342414
oct61463104
926416728
1013002308
117380910
124430598
132903297
141a26644
15121c808
hexc66644

13002308 has 48 divisors (see below), whose sum is σ = 26557440. Its totient is φ = 5508000.

The previous prime is 13002307. The next prime is 13002313. The reversal of 13002308 is 80320031.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002307) 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, 86033 + ... + 86183.

It is an arithmetic number, because the mean of its divisors is an integer number (553280).

Almost surely, 213002308 is an apocalyptic number.

It is an amenable number.

13002308 is an abundant number, since it is smaller than the sum of its proper divisors (13555132).

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

13002308 is a wasteful number, since it uses less digits than its factorization.

13002308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13002308 is about 3605.8713232726. The cubic root of 13002308 is about 235.1473830268.

Adding to 13002308 its reverse (80320031), we get a palindrome (93322339).

The spelling of 13002308 in words is "thirteen million, two thousand, three hundred eight".

Divisors: 1 2 4 11 19 22 38 44 76 103 151 206 209 302 412 418 604 836 1133 1661 1957 2266 2869 3322 3914 4532 5738 6644 7828 11476 15553 21527 31106 31559 43054 62212 63118 86108 126236 171083 295507 342166 591014 684332 1182028 3250577 6501154 13002308