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5642159 = 43131213
BaseRepresentation
bin10101100001011110101111
3101121122120212
4111201132233
52421022114
6320533035
765646305
oct25413657
911548525
105642159
113204046
121a8117b
131227173
14a6c275
15766b3e
hex5617af

5642159 has 4 divisors (see below), whose sum is σ = 5773416. Its totient is φ = 5510904.

The previous prime is 5642099. The next prime is 5642191. The reversal of 5642159 is 9512465.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5642159 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 (5642059) 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, 65564 + ... + 65649.

It is an arithmetic number, because the mean of its divisors is an integer number (1443354).

Almost surely, 25642159 is an apocalyptic number.

5642159 is a deficient number, since it is larger than the sum of its proper divisors (131257).

5642159 is a wasteful number, since it uses less digits than its factorization.

5642159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131256.

The product of its digits is 10800, while the sum is 32.

The square root of 5642159 is about 2375.3229254146. The cubic root of 5642159 is about 178.0253193794.

The spelling of 5642159 in words is "five million, six hundred forty-two thousand, one hundred fifty-nine".

Divisors: 1 43 131213 5642159