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70082068 = 2272502931
BaseRepresentation
bin1000010110101…
…01111000010100
311212212112112011
410023111320110
5120420111233
610542034004
71510454620
oct413257024
9155775464
1070082068
1136617771
121b578904
1311699ca4
149444180
1562450cd
hex42d5e14

70082068 has 12 divisors (see below), whose sum is σ = 140164192. Its totient is φ = 30035160.

The previous prime is 70082063. The next prime is 70082083. The reversal of 70082068 is 86028007.

70082068 is an admirable number.

It is a super-2 number, since 2×700820682 = 9822992510313248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70082063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251438 + ... + 1251493.

Almost surely, 270082068 is an apocalyptic number.

It is an amenable number.

70082068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70082068 is a wasteful number, since it uses less digits than its factorization.

70082068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502942 (or 2502940 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 70082068 is about 8371.5033297491. The cubic root of 70082068 is about 412.2895269092.

The spelling of 70082068 in words is "seventy million, eighty-two thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 2502931 5005862 10011724 17520517 35041034 70082068