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2706945949 = 19301140249
BaseRepresentation
bin1010000101011000…
…1011011110011101
320222122121002202101
42201112023132131
521020434232244
61124335125101
7124036442461
oct24126133635
96878532671
102706945949
11116a000614
12636673791
13341a79186
141b97204a1
1510c9a80d4
hexa158b79d

2706945949 has 4 divisors (see below), whose sum is σ = 2707105500. Its totient is φ = 2706786400.

The previous prime is 2706945907. The next prime is 2706946001. The reversal of 2706945949 is 9495496072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1332761049 + 1374184900 = 36507^2 + 37070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2706945949 - 225 = 2673391517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2706945949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2706945149) 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, 50824 + ... + 89425.

It is an arithmetic number, because the mean of its divisors is an integer number (676776375).

Almost surely, 22706945949 is an apocalyptic number.

It is an amenable number.

2706945949 is a deficient number, since it is larger than the sum of its proper divisors (159551).

2706945949 is a wasteful number, since it uses less digits than its factorization.

2706945949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159550.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The square root of 2706945949 is about 52028.3187216347. The cubic root of 2706945949 is about 1393.6697105270.

The spelling of 2706945949 in words is "two billion, seven hundred six million, nine hundred forty-five thousand, nine hundred forty-nine".

Divisors: 1 19301 140249 2706945949