Search a number
-
+
86958485 = 5171023041
BaseRepresentation
bin1010010111011…
…10000110010101
320001121221121122
411023232012111
5134230132420
612343453325
72104064165
oct513560625
9201557548
1086958485
11450a4219
1225157245
1315028733
14b7985a5
15797a725
hex52ee195

86958485 has 8 divisors (see below), whose sum is σ = 110488536. Its totient is φ = 65474560.

The previous prime is 86958481. The next prime is 86958493. The reversal of 86958485 is 58485968.

It can be written as a sum of positive squares in 4 ways, for example, as 16834609 + 70123876 = 4103^2 + 8374^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86958485 - 22 = 86958481 is a prime.

It is a super-2 number, since 2×869584852 = 15123556226990450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86958481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511436 + ... + 511605.

It is an arithmetic number, because the mean of its divisors is an integer number (13811067).

Almost surely, 286958485 is an apocalyptic number.

86958485 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

86958485 is a deficient number, since it is larger than the sum of its proper divisors (23530051).

86958485 is a wasteful number, since it uses less digits than its factorization.

86958485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023063.

The product of its digits is 2764800, while the sum is 53.

The square root of 86958485 is about 9325.1533499455. The cubic root of 86958485 is about 443.0342701349.

The spelling of 86958485 in words is "eighty-six million, nine hundred fifty-eight thousand, four hundred eighty-five".

Divisors: 1 5 17 85 1023041 5115205 17391697 86958485