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5143251 = 31714417
BaseRepresentation
bin10011100111101011010011
3100200022012210
4103213223103
52304041001
6302123203
761500621
oct23475323
910608183
105143251
1129a3223
121880503
1310b1059
1497c511
156b8dd6
hex4e7ad3

5143251 has 4 divisors (see below), whose sum is σ = 6857672. Its totient is φ = 3428832.

The previous prime is 5143249. The next prime is 5143253. The reversal of 5143251 is 1523415.

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

It is an interprime number because it is at equal distance from previous prime (5143249) and next prime (5143253).

It is not a de Polignac number, because 5143251 - 21 = 5143249 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5143253) 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, 857206 + ... + 857211.

It is an arithmetic number, because the mean of its divisors is an integer number (1714418).

Almost surely, 25143251 is an apocalyptic number.

5143251 is a deficient number, since it is larger than the sum of its proper divisors (1714421).

5143251 is a wasteful number, since it uses less digits than its factorization.

5143251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714420.

The product of its digits is 600, while the sum is 21.

The square root of 5143251 is about 2267.8736737305. The cubic root of 5143251 is about 172.6152810590.

Adding to 5143251 its reverse (1523415), we get a palindrome (6666666).

The spelling of 5143251 in words is "five million, one hundred forty-three thousand, two hundred fifty-one".

Divisors: 1 3 1714417 5143251