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7290690356 = 224144455429
BaseRepresentation
bin1101100101000111…
…10001101100110100
3200211002201102222202
412302203301230310
5104412404042411
63203240444032
7345445563005
oct66243615464
920732642882
107290690356
11310144a634
1214b5779618
138c25c4481
144d23c91ac
152ca0d983b
hex1b28f1b34

7290690356 has 12 divisors (see below), whose sum is σ = 13069896420. Its totient is φ = 3556434240.

The previous prime is 7290690347. The next prime is 7290690359. The reversal of 7290690356 is 6530960927.

It can be written as a sum of positive squares in 2 ways, for example, as 1738056100 + 5552634256 = 41690^2 + 74516^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7290690356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7290690359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22227551 + ... + 22227878.

It is an arithmetic number, because the mean of its divisors is an integer number (1089158035).

Almost surely, 27290690356 is an apocalyptic number.

It is an amenable number.

7290690356 is a deficient number, since it is larger than the sum of its proper divisors (5779206064).

7290690356 is a wasteful number, since it uses less digits than its factorization.

7290690356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44455474 (or 44455472 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 7290690356 is about 85385.5395017213. The cubic root of 7290690356 is about 1939.0524259656.

The spelling of 7290690356 in words is "seven billion, two hundred ninety million, six hundred ninety thousand, three hundred fifty-six".

Divisors: 1 2 4 41 82 164 44455429 88910858 177821716 1822672589 3645345178 7290690356