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5642923 = 111339461
BaseRepresentation
bin10101100001101010101011
3101121200122011
4111201222223
52421033143
6320540351
765651446
oct25415253
911550564
105642923
113204680
121a816b7
131227610
14a6c65d
15766e9d
hex561aab

5642923 has 8 divisors (see below), whose sum is σ = 6629616. Its totient is φ = 4735200.

The previous prime is 5642911. The next prime is 5642947. The reversal of 5642923 is 3292465.

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

It is a cyclic number.

It is not a de Polignac number, because 5642923 - 213 = 5634731 is a prime.

It is a d-powerful number, because it can be written as 55 + 68 + 49 + 2 + 94 + 221 + 313 .

It is a Duffinian number.

5642923 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5642323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19588 + ... + 19873.

It is an arithmetic number, because the mean of its divisors is an integer number (828702).

Almost surely, 25642923 is an apocalyptic number.

5642923 is a deficient number, since it is larger than the sum of its proper divisors (986693).

5642923 is a wasteful number, since it uses less digits than its factorization.

5642923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39485.

The product of its digits is 12960, while the sum is 31.

The square root of 5642923 is about 2375.4837402096. The cubic root of 5642923 is about 178.0333544363.

The spelling of 5642923 in words is "five million, six hundred forty-two thousand, nine hundred twenty-three".

Divisors: 1 11 13 143 39461 434071 512993 5642923