Search a number
-
+
68022894 = 23101112249
BaseRepresentation
bin1000000110111…
…11001001101110
311201222220212110
410003133021232
5114403213034
610425544450
71454120322
oct403371156
9151886773
1068022894
1135440675
121a945126
1311128944
149069982
155e89de9
hex40df26e

68022894 has 16 divisors (see below), whose sum is σ = 137394000. Its totient is φ = 22449600.

The previous prime is 68022887. The next prime is 68022917. The reversal of 68022894 is 49822086.

It is a super-2 number, since 2×680228942 = 9254228216270472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55519 + ... + 56730.

It is an arithmetic number, because the mean of its divisors is an integer number (8587125).

Almost surely, 268022894 is an apocalyptic number.

68022894 is an abundant number, since it is smaller than the sum of its proper divisors (69371106).

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

68022894 is a wasteful number, since it uses less digits than its factorization.

68022894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112355.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 68022894 is about 8247.5992870653. The cubic root of 68022894 is about 408.2113116265.

The spelling of 68022894 in words is "sixty-eight million, twenty-two thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 101 202 303 606 112249 224498 336747 673494 11337149 22674298 34011447 68022894