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5145251 = 43119657
BaseRepresentation
bin10011101000001010100011
3100200101221212
4103220022203
52304122001
6302140335
761506506
oct23501243
910611855
105145251
1129a4781
1218816ab
1310b1c37
1497d13d
156b97bb
hex4e82a3

5145251 has 4 divisors (see below), whose sum is σ = 5264952. Its totient is φ = 5025552.

The previous prime is 5145233. The next prime is 5145263. The reversal of 5145251 is 1525415.

It is a happy number.

5145251 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 not a de Polignac number, because 5145251 - 214 = 5128867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145211) 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, 59786 + ... + 59871.

It is an arithmetic number, because the mean of its divisors is an integer number (1316238).

Almost surely, 25145251 is an apocalyptic number.

5145251 is a deficient number, since it is larger than the sum of its proper divisors (119701).

5145251 is a wasteful number, since it uses less digits than its factorization.

5145251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119700.

The product of its digits is 1000, while the sum is 23.

The square root of 5145251 is about 2268.3145725406. The cubic root of 5145251 is about 172.6376525009.

The spelling of 5145251 in words is "five million, one hundred forty-five thousand, two hundred fifty-one".

Divisors: 1 43 119657 5145251