Search a number
-
+
85613070 = 2359712939
BaseRepresentation
bin1010001101001…
…01101000001110
312222002121001110
411012211220032
5133404104240
612254552450
72056461534
oct506455016
9188077043
1085613070
1144365404
1224808726
131497722a
14b528154
1577b1c80
hex51a5a0e

85613070 has 32 divisors (see below), whose sum is σ = 205752960. Its totient is φ = 22798880.

The previous prime is 85613057. The next prime is 85613083. The reversal of 85613070 is 7031658.

It is an interprime number because it is at equal distance from previous prime (85613057) and next prime (85613083).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27661 + ... + 30599.

It is an arithmetic number, because the mean of its divisors is an integer number (6429780).

Almost surely, 285613070 is an apocalyptic number.

85613070 is an abundant number, since it is smaller than the sum of its proper divisors (120139890).

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

85613070 is a wasteful number, since it uses less digits than its factorization.

85613070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 85613070 is about 9252.7331097357. The cubic root of 85613070 is about 440.7375199788.

The spelling of 85613070 in words is "eighty-five million, six hundred thirteen thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 971 1942 2913 2939 4855 5826 5878 8817 9710 14565 14695 17634 29130 29390 44085 88170 2853769 5707538 8561307 14268845 17122614 28537690 42806535 85613070