Search a number
-
+
85019260 = 2254250963
BaseRepresentation
bin1010001000101…
…00101001111100
312220222102111111
411010110221330
5133231104020
612234131404
72051436364
oct504245174
9186872444
1085019260
1143a9a257
1224580b64
13147c9b71
14b4119a4
1576e5d5a
hex5114a7c

85019260 has 12 divisors (see below), whose sum is σ = 178540488. Its totient is φ = 34007696.

The previous prime is 85019197. The next prime is 85019269. The reversal of 85019260 is 6291058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85019269) 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, 2125462 + ... + 2125501.

It is an arithmetic number, because the mean of its divisors is an integer number (14878374).

Almost surely, 285019260 is an apocalyptic number.

It is an amenable number.

85019260 is an abundant number, since it is smaller than the sum of its proper divisors (93521228).

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

85019260 is a wasteful number, since it uses less digits than its factorization.

85019260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250972 (or 4250970 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 85019260 is about 9220.5889182850. The cubic root of 85019260 is about 439.7161737038.

The spelling of 85019260 in words is "eighty-five million, nineteen thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 4250963 8501926 17003852 21254815 42509630 85019260