Search a number
-
+
89916533 = 717971761
BaseRepresentation
bin1010101110000…
…00010001110101
320021012020021222
411113000101311
5141004312113
612531120125
72141164220
oct527002165
9207166258
1089916533
1146834693
1226143045
1315822c65
14bd285b7
157d61e08
hex55c0475

89916533 has 8 divisors (see below), whose sum is σ = 103337280. Its totient is φ = 76639680.

The previous prime is 89916529. The next prime is 89916539. The reversal of 89916533 is 33561998.

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

It is a cyclic number.

It is not a de Polignac number, because 89916533 - 22 = 89916529 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89916539) 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, 34628 + ... + 37133.

It is an arithmetic number, because the mean of its divisors is an integer number (12917160).

Almost surely, 289916533 is an apocalyptic number.

It is an amenable number.

89916533 is a deficient number, since it is larger than the sum of its proper divisors (13420747).

89916533 is a wasteful number, since it uses less digits than its factorization.

89916533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71947.

The product of its digits is 174960, while the sum is 44.

The square root of 89916533 is about 9482.4328629313. The cubic root of 89916533 is about 448.0018949883.

The spelling of 89916533 in words is "eighty-nine million, nine hundred sixteen thousand, five hundred thirty-three".

Divisors: 1 7 179 1253 71761 502327 12845219 89916533