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13813373 = 71973339
BaseRepresentation
bin110100101100…
…011001111101
3221222210101102
4310230121331
512014011443
61212022445
7225261140
oct64543175
927883342
1013813373
117885212
124761a25
132b284c2
141b98057
15132ccb8
hexd2c67d

13813373 has 4 divisors (see below), whose sum is σ = 15786720. Its totient is φ = 11840028.

The previous prime is 13813369. The next prime is 13813411. The reversal of 13813373 is 37331831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13813373 - 22 = 13813369 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13813313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986663 + ... + 986676.

It is an arithmetic number, because the mean of its divisors is an integer number (3946680).

Almost surely, 213813373 is an apocalyptic number.

It is an amenable number.

13813373 is a deficient number, since it is larger than the sum of its proper divisors (1973347).

13813373 is an equidigital number, since it uses as much as digits as its factorization.

13813373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973346.

The product of its digits is 4536, while the sum is 29.

The square root of 13813373 is about 3716.6346336437. The cubic root of 13813373 is about 239.9384853919.

The spelling of 13813373 in words is "thirteen million, eight hundred thirteen thousand, three hundred seventy-three".

Divisors: 1 7 1973339 13813373