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13002219 = 325692539
BaseRepresentation
bin110001100110…
…010111101011
3220110120200200
4301212113223
511312032334
61142403243
7215342226
oct61462753
926416620
1013002219
11738083a
124430523
132903229
141a265bd
15121c799
hexc665eb

13002219 has 12 divisors (see below), whose sum is σ = 18821400. Its totient is φ = 8649504.

The previous prime is 13002203. The next prime is 13002233. The reversal of 13002219 is 91220031.

It is a happy number.

It is not a de Polignac number, because 13002219 - 24 = 13002203 is a prime.

It is a super-2 number, since 2×130022192 = 338115397847922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13002239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3852 + ... + 6390.

It is an arithmetic number, because the mean of its divisors is an integer number (1568450).

Almost surely, 213002219 is an apocalyptic number.

13002219 is a deficient number, since it is larger than the sum of its proper divisors (5819181).

13002219 is a wasteful number, since it uses less digits than its factorization.

13002219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114 (or 3111 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 13002219 is about 3605.8589822676. The cubic root of 13002219 is about 235.1468465024.

The spelling of 13002219 in words is "thirteen million, two thousand, two hundred nineteen".

Divisors: 1 3 9 569 1707 2539 5121 7617 22851 1444691 4334073 13002219