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53461340 = 2252673067
BaseRepresentation
bin1100101111110…
…0000101011100
310201121010011122
43023330011130
5102141230330
65145510112
71216261652
oct313740534
9121533148
1053461340
11281a5329
1215aa2338
13b0caa3a
147158dd2
154a605e5
hex32fc15c

53461340 has 12 divisors (see below), whose sum is σ = 112268856. Its totient is φ = 21384528.

The previous prime is 53461333. The next prime is 53461357. The reversal of 53461340 is 4316435.

It is a super-2 number, since 2×534613402 = 5716229749191200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336514 + ... + 1336553.

It is an arithmetic number, because the mean of its divisors is an integer number (9355738).

Almost surely, 253461340 is an apocalyptic number.

It is an amenable number.

53461340 is an abundant number, since it is smaller than the sum of its proper divisors (58807516).

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

53461340 is a wasteful number, since it uses less digits than its factorization.

53461340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673076 (or 2673074 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 53461340 is about 7311.7261983748. The cubic root of 53461340 is about 376.7153181560.

Adding to 53461340 its reverse (4316435), we get a palindrome (57777775).

The spelling of 53461340 in words is "fifty-three million, four hundred sixty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2673067 5346134 10692268 13365335 26730670 53461340