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51024103 = 133924931
BaseRepresentation
bin1100001010100…
…1000011100111
310120000021220121
43002221003213
5101030232403
65021342411
71156461214
oct302510347
9116007817
1051024103
1126890189
1215107a07
13a7565a0
146ac2b0b
15472d3bd
hex30a90e7

51024103 has 4 divisors (see below), whose sum is σ = 54949048. Its totient is φ = 47099160.

The previous prime is 51024067. The next prime is 51024161. The reversal of 51024103 is 30142015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30142015 = 56028403.

It is a cyclic number.

It is not a de Polignac number, because 51024103 - 225 = 17469671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51024163) 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, 1962453 + ... + 1962478.

It is an arithmetic number, because the mean of its divisors is an integer number (13737262).

Almost surely, 251024103 is an apocalyptic number.

51024103 is a deficient number, since it is larger than the sum of its proper divisors (3924945).

51024103 is a wasteful number, since it uses less digits than its factorization.

51024103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3924944.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51024103 is about 7143.1157767462. The cubic root of 51024103 is about 370.9013888254.

Adding to 51024103 its reverse (30142015), we get a palindrome (81166118).

The spelling of 51024103 in words is "fifty-one million, twenty-four thousand, one hundred three".

Divisors: 1 13 3924931 51024103