Search a number
-
+
85881204 = 22329672467
BaseRepresentation
bin1010001111001…
…11000101110100
312222121012212100
411013213011310
5133441144304
612304422100
72061656343
oct507470564
9188535770
1085881204
1144528902
1224917930
1314a3c2a6
14b597b5a
157816439
hex51e7174

85881204 has 36 divisors (see below), whose sum is σ = 217401184. Its totient is φ = 28585872.

The previous prime is 85881163. The next prime is 85881217. The reversal of 85881204 is 40218858.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33579 + ... + 36045.

Almost surely, 285881204 is an apocalyptic number.

It is an amenable number.

85881204 is an abundant number, since it is smaller than the sum of its proper divisors (131519980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85881204 is a wasteful number, since it uses less digits than its factorization.

85881204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 85881204 is about 9267.2112310015. The cubic root of 85881204 is about 441.1971599019.

The spelling of 85881204 in words is "eighty-five million, eight hundred eighty-one thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 967 1934 2467 2901 3868 4934 5802 7401 8703 9868 11604 14802 17406 22203 29604 34812 44406 88812 2385589 4771178 7156767 9542356 14313534 21470301 28627068 42940602 85881204