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52760131 = 192776849
BaseRepresentation
bin1100100101000…
…0111001000011
310200021111021221
43021100321003
5102001311011
65122455511
71210311424
oct311207103
9120244257
1052760131
1127866516
1215804597
13ac13818
14701564b
154972971
hex3250e43

52760131 has 4 divisors (see below), whose sum is σ = 55537000. Its totient is φ = 49983264.

The previous prime is 52760117. The next prime is 52760159. The reversal of 52760131 is 13106725.

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

It is a cyclic number.

It is not a de Polignac number, because 52760131 - 213 = 52751939 is a prime.

It is a super-2 number, since 2×527601312 = 5567262846274322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52760096 and 52760105.

It is not an unprimeable number, because it can be changed into a prime (52760111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388406 + ... + 1388443.

It is an arithmetic number, because the mean of its divisors is an integer number (13884250).

Almost surely, 252760131 is an apocalyptic number.

52760131 is a deficient number, since it is larger than the sum of its proper divisors (2776869).

52760131 is a wasteful number, since it uses less digits than its factorization.

52760131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776868.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 52760131 is about 7263.6169364856. The cubic root of 52760131 is about 375.0610413226.

Adding to 52760131 its reverse (13106725), we get a palindrome (65866856).

The spelling of 52760131 in words is "fifty-two million, seven hundred sixty thousand, one hundred thirty-one".

Divisors: 1 19 2776849 52760131