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67228039 = 6110910111
BaseRepresentation
bin1000000000111…
…01000110000111
311200111112112101
410000131012013
5114202244124
610400532531
71444300054
oct400350607
9150445471
1067228039
1134a4846a
121a621147
1310c0ac08
148d0002b
155d7e644
hex401d187

67228039 has 8 divisors (see below), whose sum is σ = 68963840. Its totient is φ = 65512800.

The previous prime is 67228037. The next prime is 67228043. The reversal of 67228039 is 93082276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67228039 - 21 = 67228037 is a prime.

It is a super-3 number, since 3×672280393 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67227989 and 67228007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67228037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594 + ... + 11704.

It is an arithmetic number, because the mean of its divisors is an integer number (8620480).

Almost surely, 267228039 is an apocalyptic number.

67228039 is a deficient number, since it is larger than the sum of its proper divisors (1735801).

67228039 is a wasteful number, since it uses less digits than its factorization.

67228039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 67228039 is about 8199.2706382946. The cubic root of 67228039 is about 406.6150799773.

The spelling of 67228039 in words is "sixty-seven million, two hundred twenty-eight thousand, thirty-nine".

Divisors: 1 61 109 6649 10111 616771 1102099 67228039