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5042657 = 19265403
BaseRepresentation
bin10011001111000111100001
3100111012020002
4103033013201
52242331112
6300025345
760601424
oct23170741
910435202
105042657
112934694
121832255
131077329
149539bb
156991c2
hex4cf1e1

5042657 has 4 divisors (see below), whose sum is σ = 5308080. Its totient is φ = 4777236.

The previous prime is 5042647. The next prime is 5042707. The reversal of 5042657 is 7562405.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7562405 = 51512481.

It is a cyclic number.

It is not a de Polignac number, because 5042657 - 24 = 5042641 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 52 + 0 + 47 + 222 + 65 + 54 + 77 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5042617) 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, 132683 + ... + 132720.

It is an arithmetic number, because the mean of its divisors is an integer number (1327020).

Almost surely, 25042657 is an apocalyptic number.

It is an amenable number.

5042657 is a deficient number, since it is larger than the sum of its proper divisors (265423).

5042657 is a wasteful number, since it uses less digits than its factorization.

5042657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265422.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 5042657 is about 2245.5861150265. The cubic root of 5042657 is about 171.4825012533.

The spelling of 5042657 in words is "five million, forty-two thousand, six hundred fifty-seven".

Divisors: 1 19 265403 5042657