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213292039 = 972198887
BaseRepresentation
bin11001011011010…
…01010000000111
3112212100100200011
430231221100013
5414100321124
633055331051
75166644452
oct1455512007
9485310604
10213292039
11aa441514
125b520a87
133525c40c
1420482499
1513ad2994
hexcb69407

213292039 has 4 divisors (see below), whose sum is σ = 215491024. Its totient is φ = 211093056.

The previous prime is 213292033. The next prime is 213292049. The reversal of 213292039 is 930292312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 213292039 - 23 = 213292031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213292039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213292031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099347 + ... + 1099540.

It is an arithmetic number, because the mean of its divisors is an integer number (53872756).

Almost surely, 2213292039 is an apocalyptic number.

213292039 is a deficient number, since it is larger than the sum of its proper divisors (2198985).

213292039 is an equidigital number, since it uses as much as digits as its factorization.

213292039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198984.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 213292039 is about 14604.5211835240. The cubic root of 213292039 is about 597.4820769237.

The spelling of 213292039 in words is "two hundred thirteen million, two hundred ninety-two thousand, thirty-nine".

Divisors: 1 97 2198887 213292039