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2706477381 = 363712589
BaseRepresentation
bin1010000101010001…
…1001000101000101
320222121201022000000
42201110121011011
521020324234011
61124321111513
7124032451416
oct24124310505
96877638000
102706477381
111169810573
12636488599
13341943b0a
141b963b80d
1510c914356
hexa1519145

2706477381 has 14 divisors (see below), whose sum is σ = 4057860870. Its totient is φ = 1804317768.

The previous prime is 2706477373. The next prime is 2706477419. The reversal of 2706477381 is 1837746072.

It can be written as a sum of positive squares in only one way, i.e., 1796912100 + 909565281 = 42390^2 + 30159^2 .

It is not a de Polignac number, because 2706477381 - 23 = 2706477373 is a prime.

It is a super-2 number, since 2×27064773812 = 14650039627729238322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2706477481) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1855566 + ... + 1857023.

It is an arithmetic number, because the mean of its divisors is an integer number (289847205).

Almost surely, 22706477381 is an apocalyptic number.

It is an amenable number.

2706477381 is a deficient number, since it is larger than the sum of its proper divisors (1351383489).

2706477381 is an frugal number, since it uses more digits than its factorization.

2706477381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712607 (or 3712592 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 2706477381 is about 52023.8155175108. The cubic root of 2706477381 is about 1393.5892918899.

The spelling of 2706477381 in words is "two billion, seven hundred six million, four hundred seventy-seven thousand, three hundred eighty-one".

Divisors: 1 3 9 27 81 243 729 3712589 11137767 33413301 100239903 300719709 902159127 2706477381