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5720191 = 22924979
BaseRepresentation
bin10101110100100001111111
3101202121121221
4111310201333
52431021231
6322334211
766422641
oct25644177
911677557
105720191
113257734
121aba367
131253839
14a8c891
1577ed11
hex57487f

5720191 has 4 divisors (see below), whose sum is σ = 5745400. Its totient is φ = 5694984.

The previous prime is 5720189. The next prime is 5720201. The reversal of 5720191 is 1910275.

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 5720191 - 21 = 5720189 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 (5720101) 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, 12261 + ... + 12718.

It is an arithmetic number, because the mean of its divisors is an integer number (1436350).

Almost surely, 25720191 is an apocalyptic number.

5720191 is a deficient number, since it is larger than the sum of its proper divisors (25209).

5720191 is a wasteful number, since it uses less digits than its factorization.

5720191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25208.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 5720191 is about 2391.6920788429. The cubic root of 5720191 is about 178.8422713009.

The spelling of 5720191 in words is "five million, seven hundred twenty thousand, one hundred ninety-one".

Divisors: 1 229 24979 5720191