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13002442 = 26501221
BaseRepresentation
bin110001100110…
…011011001010
3220110120222221
4301212123022
511312034232
61142404254
7215342665
oct61463312
926416887
1013002442
117380a22
12443068a
13290336b
141a266dc
15121c897
hexc666ca

13002442 has 4 divisors (see below), whose sum is σ = 19503666. Its totient is φ = 6501220.

The previous prime is 13002439. The next prime is 13002463. The reversal of 13002442 is 24420031.

13002442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12538681 + 463761 = 3541^2 + 681^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3250609 + ... + 3250612.

Almost surely, 213002442 is an apocalyptic number.

13002442 is a deficient number, since it is larger than the sum of its proper divisors (6501224).

13002442 is an equidigital number, since it uses as much as digits as its factorization.

13002442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501223.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 13002442 is about 3605.8899040320. The cubic root of 13002442 is about 235.1481908229.

Adding to 13002442 its reverse (24420031), we get a palindrome (37422473).

The spelling of 13002442 in words is "thirteen million, two thousand, four hundred forty-two".

Divisors: 1 2 6501221 13002442