Search a number
-
+
86869933 = 432020231
BaseRepresentation
bin1010010110110…
…00011110101101
320001110110010221
411023120132231
5134214314213
612341531341
72103245053
oct513303655
9201413127
1086869933
1145043737
1225113b51
1314cc7337
14b7741d3
15795e38d
hex52d87ad

86869933 has 4 divisors (see below), whose sum is σ = 88890208. Its totient is φ = 84849660.

The previous prime is 86869931. The next prime is 86869961. The reversal of 86869933 is 33996868.

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 86869933 - 21 = 86869931 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 (86869931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010073 + ... + 1010158.

It is an arithmetic number, because the mean of its divisors is an integer number (22222552).

Almost surely, 286869933 is an apocalyptic number.

It is an amenable number.

86869933 is a deficient number, since it is larger than the sum of its proper divisors (2020275).

86869933 is a wasteful number, since it uses less digits than its factorization.

86869933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020274.

The product of its digits is 1679616, while the sum is 52.

The square root of 86869933 is about 9320.4041221398. The cubic root of 86869933 is about 442.8838347670.

The spelling of 86869933 in words is "eighty-six million, eight hundred sixty-nine thousand, nine hundred thirty-three".

Divisors: 1 43 2020231 86869933