Search a number
-
+
68004228 = 22310951991
BaseRepresentation
bin1000000110110…
…10100110000100
311201221222021010
410003122212010
5114402113403
610425322220
71454012025
oct403324604
9151858233
1068004228
1135428646
121a936370
13111202b6
149062c4c
155e84603
hex40da984

68004228 has 24 divisors (see below), whose sum is σ = 160135360. Its totient is φ = 22459680.

The previous prime is 68004179. The next prime is 68004259. The reversal of 68004228 is 82240086.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68004195 and 68004204.

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, 24688 + ... + 27303.

Almost surely, 268004228 is an apocalyptic number.

It is an amenable number.

68004228 is an abundant number, since it is smaller than the sum of its proper divisors (92131132).

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

68004228 is a wasteful number, since it uses less digits than its factorization.

68004228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52107 (or 52105 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 68004228 is about 8246.4676074062. The cubic root of 68004228 is about 408.1739694467.

The spelling of 68004228 in words is "sixty-eight million, four thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 51991 103982 155973 207964 311946 623892 5667019 11334038 17001057 22668076 34002114 68004228