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5642208331 = 31793177467
BaseRepresentation
bin1010100000100110…
…10100010001001011
3112120012210212202221
411100103110101023
543023401131311
62331512034511
7256550656654
oct52023242113
915505725687
105642208331
1124359746a1
121115692a37
136bbc15216
143b74b452b
15230510671
hex1504d444b

5642208331 has 4 divisors (see below), whose sum is σ = 5642417592. Its totient is φ = 5641999072.

The previous prime is 5642208323. The next prime is 5642208367. The reversal of 5642208331 is 1338022465.

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 5642208331 - 23 = 5642208323 is a prime.

It is a super-2 number, since 2×56422083312 = 63669029700811611122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5642208301) 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, 56941 + ... + 120526.

It is an arithmetic number, because the mean of its divisors is an integer number (1410604398).

Almost surely, 25642208331 is an apocalyptic number.

5642208331 is a deficient number, since it is larger than the sum of its proper divisors (209261).

5642208331 is a wasteful number, since it uses less digits than its factorization.

5642208331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209260.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 5642208331 is about 75114.6345993908. The cubic root of 5642208331 is about 1780.2583821989.

The spelling of 5642208331 in words is "five billion, six hundred forty-two million, two hundred eight thousand, three hundred thirty-one".

Divisors: 1 31793 177467 5642208331