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5128502 = 22564251
BaseRepresentation
bin10011100100000100110110
3100122112222112
4103210010312
52303103002
6301531022
761406621
oct23440466
910575875
105128502
112993135
121873a72
1310a7422
14976db8
156b4852
hex4e4136

5128502 has 4 divisors (see below), whose sum is σ = 7692756. Its totient is φ = 2564250.

The previous prime is 5128493. The next prime is 5128507. The reversal of 5128502 is 2058215.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282124 + ... + 1282127.

It is an arithmetic number, because the mean of its divisors is an integer number (1923189).

Almost surely, 25128502 is an apocalyptic number.

5128502 is a deficient number, since it is larger than the sum of its proper divisors (2564254).

5128502 is a wasteful number, since it uses less digits than its factorization.

5128502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564253.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 5128502 is about 2264.6196148581. The cubic root of 5128502 is about 172.4501235064.

The spelling of 5128502 in words is "five million, one hundred twenty-eight thousand, five hundred two".

Divisors: 1 2 2564251 5128502