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5028505 = 51005701
BaseRepresentation
bin10011001011101010011001
3100110110210221
4103023222121
52241403010
6255440041
760512236
oct23135231
910413727
105028505
112924a99
121826021
131070a61
1494c78d
15694dda
hex4cba99

5028505 has 4 divisors (see below), whose sum is σ = 6034212. Its totient is φ = 4022800.

The previous prime is 5028473. The next prime is 5028509. The reversal of 5028505 is 5058205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5058205 = 51011641.

It can be written as a sum of positive squares in 2 ways, for example, as 2152089 + 2876416 = 1467^2 + 1696^2 .

It is not a de Polignac number, because 5028505 - 25 = 5028473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5028505.

It is not an unprimeable number, because it can be changed into a prime (5028509) 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, 502846 + ... + 502855.

It is an arithmetic number, because the mean of its divisors is an integer number (1508553).

Almost surely, 25028505 is an apocalyptic number.

It is an amenable number.

5028505 is a deficient number, since it is larger than the sum of its proper divisors (1005707).

5028505 is a wasteful number, since it uses less digits than its factorization.

5028505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005706.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 5028505 is about 2242.4328306551. The cubic root of 5028505 is about 171.3219315272.

The spelling of 5028505 in words is "five million, twenty-eight thousand, five hundred five".

Divisors: 1 5 1005701 5028505