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2470270745 = 5494054149
BaseRepresentation
bin1001001100111101…
…0101011100011001
320101011020202102002
42103033111130121
520024342130440
61045042250345
7115133645345
oct22317253431
96334222362
102470270745
111058448a78
1258b3569b5
13304a20787
14196112625
15e6d07115
hex933d5719

2470270745 has 4 divisors (see below), whose sum is σ = 2964324900. Its totient is φ = 1976216592.

The previous prime is 2470270741. The next prime is 2470270757. The reversal of 2470270745 is 5470720742.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5470720742 = 22735360371.

It can be written as a sum of positive squares in 2 ways, for example, as 769285696 + 1700985049 = 27736^2 + 41243^2 .

It is a cyclic number.

It is not a de Polignac number, because 2470270745 - 22 = 2470270741 is a prime.

It is a super-2 number, since 2×24702707452 = 12204475107205710050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2470270699 and 2470270708.

It is not an unprimeable number, because it can be changed into a prime (2470270741) 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, 247027070 + ... + 247027079.

It is an arithmetic number, because the mean of its divisors is an integer number (741081225).

Almost surely, 22470270745 is an apocalyptic number.

It is an amenable number.

2470270745 is a deficient number, since it is larger than the sum of its proper divisors (494054155).

2470270745 is an equidigital number, since it uses as much as digits as its factorization.

2470270745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494054154.

The product of its (nonzero) digits is 109760, while the sum is 38.

The square root of 2470270745 is about 49701.8183268983. The cubic root of 2470270745 is about 1351.8075002311.

The spelling of 2470270745 in words is "two billion, four hundred seventy million, two hundred seventy thousand, seven hundred forty-five".

Divisors: 1 5 494054149 2470270745