Search a number
-
+
5211907 = 9753731
BaseRepresentation
bin10011111000011100000011
3100210210101121
4103320130003
52313240112
6303413111
762205031
oct23703403
910723347
105211907
112a3a868
1218b4197
13110638c
14999551
156ce407
hex4f8703

5211907 has 4 divisors (see below), whose sum is σ = 5265736. Its totient is φ = 5158080.

The previous prime is 5211881. The next prime is 5211919. The reversal of 5211907 is 7091125.

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-5211907 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (5211307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26769 + ... + 26962.

It is an arithmetic number, because the mean of its divisors is an integer number (1316434).

Almost surely, 25211907 is an apocalyptic number.

5211907 is a deficient number, since it is larger than the sum of its proper divisors (53829).

5211907 is an equidigital number, since it uses as much as digits as its factorization.

5211907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53828.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 5211907 is about 2282.9601398185. The cubic root of 5211907 is about 173.3799549968.

The spelling of 5211907 in words is "five million, two hundred eleven thousand, nine hundred seven".

Divisors: 1 97 53731 5211907