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5028031 = 19725523
BaseRepresentation
bin10011001011100010111111
3100110110011101
4103023202333
52241344111
6255433531
760510661
oct23134277
910413141
105028031
1129246a8
1218258a7
131070788
1494c531
15694bc1
hex4cb8bf

5028031 has 4 divisors (see below), whose sum is σ = 5053752. Its totient is φ = 5002312.

The previous prime is 5028017. The next prime is 5028059. The reversal of 5028031 is 1308205.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1308205 = 5261641.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5028031 is a prime.

It is a super-2 number, since 2×50280312 = 50562191473922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5028011) 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, 12565 + ... + 12958.

It is an arithmetic number, because the mean of its divisors is an integer number (1263438).

Almost surely, 25028031 is an apocalyptic number.

5028031 is a deficient number, since it is larger than the sum of its proper divisors (25721).

5028031 is a wasteful number, since it uses less digits than its factorization.

5028031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25720.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 5028031 is about 2242.3271393800. The cubic root of 5028031 is about 171.3165482740.

The spelling of 5028031 in words is "five million, twenty-eight thousand, thirty-one".

Divisors: 1 197 25523 5028031