Search a number
-
+
85204960 = 255532531
BaseRepresentation
bin1010001010000…
…01111111100000
312221022212020021
411011001333200
5133303024320
612242123224
72053141651
oct505017740
9187285207
1085204960
1144106825
1224650514
1314863549
14b45d528
157730daa
hex5141fe0

85204960 has 24 divisors (see below), whose sum is σ = 201297096. Its totient is φ = 34081920.

The previous prime is 85204891. The next prime is 85204963. The reversal of 85204960 is 6940258.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85204963) 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, 266106 + ... + 266425.

It is an arithmetic number, because the mean of its divisors is an integer number (8387379).

Almost surely, 285204960 is an apocalyptic number.

85204960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85204960 is an abundant number, since it is smaller than the sum of its proper divisors (116092136).

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

85204960 is a wasteful number, since it uses less digits than its factorization.

85204960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532546 (or 532538 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 85204960 is about 9230.6532813231. The cubic root of 85204960 is about 440.0360851948.

The spelling of 85204960 in words is "eighty-five million, two hundred four thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 532531 1065062 2130124 2662655 4260248 5325310 8520496 10650620 17040992 21301240 42602480 85204960