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86053561 = 117823051
BaseRepresentation
bin1010010000100…
…01001010111001
312222220222021221
411020101022321
5134012203221
612312232041
72063305006
oct510211271
9188828257
1086053561
1144636350
122499b621
1314a9c889
14b6008ad
15784c541
hex52112b9

86053561 has 4 divisors (see below), whose sum is σ = 93876624. Its totient is φ = 78230500.

The previous prime is 86053559. The next prime is 86053567. The reversal of 86053561 is 16535068.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86053561 - 21 = 86053559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86053567) 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, 3911515 + ... + 3911536.

It is an arithmetic number, because the mean of its divisors is an integer number (23469156).

Almost surely, 286053561 is an apocalyptic number.

It is an amenable number.

86053561 is a deficient number, since it is larger than the sum of its proper divisors (7823063).

86053561 is a wasteful number, since it uses less digits than its factorization.

86053561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7823062.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 86053561 is about 9276.5058615839. The cubic root of 86053561 is about 441.4921123125.

The spelling of 86053561 in words is "eighty-six million, fifty-three thousand, five hundred sixty-one".

Divisors: 1 11 7823051 86053561