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3897914245 = 5779582849
BaseRepresentation
bin1110100001010101…
…0111001110000101
3101001122121120010021
43220111113032011
530440331223440
61442441455141
7165410503321
oct35025271605
911048546107
103897914245
1117202a8735
129094a14b1
134a172a744
1428d97c981
1517c30c84a
hexe8557385

3897914245 has 4 divisors (see below), whose sum is σ = 4677497100. Its totient is φ = 3118331392.

The previous prime is 3897914243. The next prime is 3897914257. The reversal of 3897914245 is 5424197983.

3897914245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 940403556 + 2957510689 = 30666^2 + 54383^2 .

It is a cyclic number.

It is not a de Polignac number, because 3897914245 - 21 = 3897914243 is a prime.

It is a super-2 number, since 2×38979142452 = 30387470922747840050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3897914192 and 3897914201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897914243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389791420 + ... + 389791429.

It is an arithmetic number, because the mean of its divisors is an integer number (1169374275).

Almost surely, 23897914245 is an apocalyptic number.

It is an amenable number.

3897914245 is a deficient number, since it is larger than the sum of its proper divisors (779582855).

3897914245 is an equidigital number, since it uses as much as digits as its factorization.

3897914245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779582854.

The product of its digits is 2177280, while the sum is 52.

The square root of 3897914245 is about 62433.2783457669. The cubic root of 3897914245 is about 1573.7802592913.

The spelling of 3897914245 in words is "three billion, eight hundred ninety-seven million, nine hundred fourteen thousand, two hundred forty-five".

Divisors: 1 5 779582849 3897914245