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5642473 = 31118143
BaseRepresentation
bin10101100001100011101001
3101121200000111
4111201203221
52421024343
6320534321
765650234
oct25414351
911550014
105642473
113204301
121a813a1
131227355
14a6c41b
15766c9d
hex5618e9

5642473 has 4 divisors (see below), whose sum is σ = 5660928. Its totient is φ = 5624020.

The previous prime is 5642459. The next prime is 5642477. The reversal of 5642473 is 3742465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5642473 is a prime.

It is a d-powerful number, because it can be written as 55 + 62 + 42 + 215 + 42 + 77 + 314 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5642477) 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 3 ways as a sum of consecutive naturals, for example, 8761 + ... + 9382.

It is an arithmetic number, because the mean of its divisors is an integer number (1415232).

Almost surely, 25642473 is an apocalyptic number.

It is an amenable number.

5642473 is a deficient number, since it is larger than the sum of its proper divisors (18455).

5642473 is a wasteful number, since it uses less digits than its factorization.

5642473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18454.

The product of its digits is 20160, while the sum is 31.

The square root of 5642473 is about 2375.3890207711. The cubic root of 5642473 is about 178.0286218335.

The spelling of 5642473 in words is "five million, six hundred forty-two thousand, four hundred seventy-three".

Divisors: 1 311 18143 5642473