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53430923 = 7213372267
BaseRepresentation
bin1100101111010…
…0101010001011
310201112120110002
43023310222023
5102134242143
65145113215
71216104200
oct313645213
9121476402
1053430923
1128184497
1215a8880b
13b0b9c40
14714bca7
154a565b8
hex32f4a8b

53430923 has 24 divisors (see below), whose sum is σ = 68774832. Its totient is φ = 41114304.

The previous prime is 53430917. The next prime is 53430929. The reversal of 53430923 is 32903435.

It is an interprime number because it is at equal distance from previous prime (53430917) and next prime (53430929).

It is not a de Polignac number, because 53430923 - 26 = 53430859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53430929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22436 + ... + 24702.

It is an arithmetic number, because the mean of its divisors is an integer number (2865618).

Almost surely, 253430923 is an apocalyptic number.

53430923 is a deficient number, since it is larger than the sum of its proper divisors (15343909).

53430923 is a wasteful number, since it uses less digits than its factorization.

53430923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 53430923 is about 7309.6458874558. The cubic root of 53430923 is about 376.6438601414.

The spelling of 53430923 in words is "fifty-three million, four hundred thirty thousand, nine hundred twenty-three".