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53242230 = 2351774741
BaseRepresentation
bin1100101100011…
…0100101110110
310201011222121110
43023012211312
5102112222410
65141055450
71214360106
oct313064566
9121158543
1053242230
1128065748
12159b7586
13b0520a2
1470dd206
154a1a720
hex32c6976

53242230 has 16 divisors (see below), whose sum is σ = 127781424. Its totient is φ = 14197920.

The previous prime is 53242219. The next prime is 53242243. The reversal of 53242230 is 3224235.

It is a junction number, because it is equal to n+sod(n) for n = 53242197 and 53242206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887341 + ... + 887400.

It is an arithmetic number, because the mean of its divisors is an integer number (7986339).

Almost surely, 253242230 is an apocalyptic number.

53242230 is an abundant number, since it is smaller than the sum of its proper divisors (74539194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53242230 is a wasteful number, since it uses less digits than its factorization.

53242230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774751.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 53242230 is about 7296.7273486132. The cubic root of 53242230 is about 376.1999606010.

Adding to 53242230 its reverse (3224235), we get a palindrome (56466465).

The spelling of 53242230 in words is "fifty-three million, two hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1774741 3549482 5324223 8873705 10648446 17747410 26621115 53242230