Search a number
-
+
75869836 = 22722691439
BaseRepresentation
bin1001000010110…
…10111010001100
312021202120211221
410201122322030
5123410313321
611310053124
71610611600
oct441327214
9167676757
1075869836
1139910149
12214aa1a4
13129454c3
14a10d500
1569d9e41
hex485ae8c

75869836 has 36 divisors (see below), whose sum is σ = 155131200. Its totient is φ = 32372256.

The previous prime is 75869813. The next prime is 75869839. The reversal of 75869836 is 63896857.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (75869839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52005 + ... + 53443.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 275869836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75869836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77565600).

75869836 is an abundant number, since it is smaller than the sum of its proper divisors (79261364).

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

75869836 is a wasteful number, since it uses less digits than its factorization.

75869836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1717 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 75869836 is about 8710.3292704696. The cubic root of 75869836 is about 423.3403993006.

The spelling of 75869836 in words is "seventy-five million, eight hundred sixty-nine thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 14 28 49 98 196 269 538 1076 1439 1883 2878 3766 5756 7532 10073 13181 20146 26362 40292 52724 70511 141022 282044 387091 774182 1548364 2709637 5419274 10838548 18967459 37934918 75869836