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13812046 = 226092647
BaseRepresentation
bin110100101100…
…000101001110
3221222201120021
4310230011032
512013441141
61212012354
7225254233
oct64540516
927881507
1013812046
117884216
1247610ba
132b27a11
141b9778a
15132c6d1
hexd2c14e

13812046 has 8 divisors (see below), whose sum is σ = 20733840. Its totient is φ = 6900768.

The previous prime is 13812037. The next prime is 13812059. The reversal of 13812046 is 64021831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×138120462 = 381545229412232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13812046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3895 + ... + 6541.

It is an arithmetic number, because the mean of its divisors is an integer number (2591730).

Almost surely, 213812046 is an apocalyptic number.

13812046 is a deficient number, since it is larger than the sum of its proper divisors (6921794).

13812046 is a wasteful number, since it uses less digits than its factorization.

13812046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 13812046 is about 3716.4561076380. The cubic root of 13812046 is about 239.9308018096.

Adding to 13812046 its reverse (64021831), we get a palindrome (77833877).

The spelling of 13812046 in words is "thirteen million, eight hundred twelve thousand, forty-six".

Divisors: 1 2 2609 2647 5218 5294 6906023 13812046