Search a number
-
+
69392868 = 22347612017
BaseRepresentation
bin1000010001011…
…01100111100100
311211120112010020
410020231213210
5120231032433
610515155140
71501554366
oct410554744
9154515106
1069392868
1136196986
121b2a5ab0
13114b838c
149304d36
15615acb3
hex422d9e4

69392868 has 48 divisors (see below), whose sum is σ = 168155904. Its totient is φ = 22256640.

The previous prime is 69392867. The next prime is 69392879. The reversal of 69392868 is 86829396.

It is a self number, because there is not a number n which added to its sum of digits gives 69392868.

It is not an unprimeable number, because it can be changed into a prime (69392867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33396 + ... + 35412.

It is an arithmetic number, because the mean of its divisors is an integer number (3503248).

Almost surely, 269392868 is an apocalyptic number.

It is an amenable number.

69392868 is an abundant number, since it is smaller than the sum of its proper divisors (98763036).

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

69392868 is a wasteful number, since it uses less digits than its factorization.

69392868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132 (or 2130 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 69392868 is about 8330.2381718652. The cubic root of 69392868 is about 410.9335617592.

The spelling of 69392868 in words is "sixty-nine million, three hundred ninety-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 47 61 94 122 141 183 188 244 282 366 564 732 2017 2867 4034 5734 6051 8068 8601 11468 12102 17202 24204 34404 94799 123037 189598 246074 284397 369111 379196 492148 568794 738222 1137588 1476444 5782739 11565478 17348217 23130956 34696434 69392868