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5251049 = 19276371
BaseRepresentation
bin10100000001111111101001
3100212210002022
4110001333221
52321013144
6304314225
762430116
oct24017751
910783068
105251049
112a67211
121912975
13111b13b
149a990d
156dacee
hex501fe9

5251049 has 4 divisors (see below), whose sum is σ = 5527440. Its totient is φ = 4974660.

The previous prime is 5251039. The next prime is 5251097. The reversal of 5251049 is 9401525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5251049 - 212 = 5246953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251009) 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, 138167 + ... + 138204.

It is an arithmetic number, because the mean of its divisors is an integer number (1381860).

Almost surely, 25251049 is an apocalyptic number.

It is an amenable number.

5251049 is a deficient number, since it is larger than the sum of its proper divisors (276391).

5251049 is a wasteful number, since it uses less digits than its factorization.

5251049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276390.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 5251049 is about 2291.5167466113. The cubic root of 5251049 is about 173.8129071939.

It can be divided in two parts, 525 and 1049, that multiplied together give a triangular number (550725 = T1049).

The spelling of 5251049 in words is "five million, two hundred fifty-one thousand, forty-nine".

Divisors: 1 19 276371 5251049