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3807380393 = 6136211061
BaseRepresentation
bin1110001011110000…
…0000001110101001
3100211100020222000122
43202330000032221
530244142133033
61425445213025
7163231125245
oct34274001651
910740228018
103807380393
111684192273
128a3101175
13488a4c80b
14281933425
151743c7a98
hexe2f003a9

3807380393 has 4 divisors (see below), whose sum is σ = 3813592068. Its totient is φ = 3801168720.

The previous prime is 3807380383. The next prime is 3807380429. The reversal of 3807380393 is 3930837083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3930837083 = 12547313289.

It can be written as a sum of positive squares in 2 ways, for example, as 109767529 + 3697612864 = 10477^2 + 60808^2 .

It is a cyclic number.

It is not a de Polignac number, because 3807380393 - 26 = 3807380329 is a prime.

It is a super-2 number, since 2×38073803932 = 28992290914001668898, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3807380323) 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, 3104918 + ... + 3106143.

It is an arithmetic number, because the mean of its divisors is an integer number (953398017).

Almost surely, 23807380393 is an apocalyptic number.

It is an amenable number.

3807380393 is a deficient number, since it is larger than the sum of its proper divisors (6211675).

3807380393 is an equidigital number, since it uses as much as digits as its factorization.

3807380393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211674.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 3807380393 is about 61703.9738833732. The cubic root of 3807380393 is about 1561.5003635926.

The spelling of 3807380393 in words is "three billion, eight hundred seven million, three hundred eighty thousand, three hundred ninety-three".

Divisors: 1 613 6211061 3807380393