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5281207 = 8363629
BaseRepresentation
bin10100001001010110110111
3100221022110021
4110021112313
52322444312
6305110011
762614051
oct24112667
910838407
105281207
112a87938
121928307
13112ba99
149b68d1
156e4c07
hex5095b7

5281207 has 4 divisors (see below), whose sum is σ = 5344920. Its totient is φ = 5217496.

The previous prime is 5281201. The next prime is 5281247. The reversal of 5281207 is 7021825.

5281207 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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-5281207 is a prime.

It is a super-2 number, since 2×52812072 = 55782294753698, 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 (5281201) 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, 31732 + ... + 31897.

It is an arithmetic number, because the mean of its divisors is an integer number (1336230).

Almost surely, 25281207 is an apocalyptic number.

5281207 is a deficient number, since it is larger than the sum of its proper divisors (63713).

5281207 is an equidigital number, since it uses as much as digits as its factorization.

5281207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63712.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 5281207 is about 2298.0876832706. The cubic root of 5281207 is about 174.1450215642.

The spelling of 5281207 in words is "five million, two hundred eighty-one thousand, two hundred seven".

Divisors: 1 83 63629 5281207