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7020450306 = 23514445371
BaseRepresentation
bin1101000100111001…
…11001001000000010
3200010021012211100000
412202130321020002
5103334213402211
63120344340430
7335654562102
oct64234711002
920107184300
107020450306
112a82952251
12143b174716
1387b61630c
144a8561202
152b1508656
hex1a2739202

7020450306 has 24 divisors (see below), whose sum is σ = 15774346224. Its totient is φ = 2340149940.

The previous prime is 7020450293. The next prime is 7020450361. The reversal of 7020450306 is 6030540207.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7020450306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7222200 + ... + 7223171.

It is an arithmetic number, because the mean of its divisors is an integer number (657264426).

Almost surely, 27020450306 is an apocalyptic number.

7020450306 is an abundant number, since it is smaller than the sum of its proper divisors (8753895918).

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

7020450306 is a wasteful number, since it uses less digits than its factorization.

7020450306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14445388 (or 14445376 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7020450306 is about 83788.1274763913. The cubic root of 7020450306 is about 1914.7922300929.

The spelling of 7020450306 in words is "seven billion, twenty million, four hundred fifty thousand, three hundred six".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 14445371 28890742 43336113 86672226 130008339 260016678 390025017 780050034 1170075051 2340150102 3510225153 7020450306