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5720091 = 313146669
BaseRepresentation
bin10101110100100000011011
3101202121111020
4111310200123
52431020331
6322333523
766422436
oct25644033
911677436
105720091
113257653
121aba2a3
131253790
14a8c81d
1577ec96
hex57481b

5720091 has 8 divisors (see below), whose sum is σ = 8213520. Its totient is φ = 3520032.

The previous prime is 5720087. The next prime is 5720093. The reversal of 5720091 is 1900275.

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

It is not a de Polignac number, because 5720091 - 22 = 5720087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5720093) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 73296 + ... + 73373.

It is an arithmetic number, because the mean of its divisors is an integer number (1026690).

Almost surely, 25720091 is an apocalyptic number.

5720091 is a deficient number, since it is larger than the sum of its proper divisors (2493429).

5720091 is a wasteful number, since it uses less digits than its factorization.

5720091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146685.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 5720091 is about 2391.6711730503. The cubic root of 5720091 is about 178.8412291252.

It can be divided in two parts, 57200 and 91, that added together give a triangular number (57291 = T338).

The spelling of 5720091 in words is "five million, seven hundred twenty thousand, ninety-one".

Divisors: 1 3 13 39 146669 440007 1906697 5720091