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386868682 = 2193434341
BaseRepresentation
bin10111000011110…
…010010111001010
3222221221222001201
4113003302113022
51243014244212
6102215534414
712405221014
oct2703622712
9887858051
10386868682
11189417192
12a968a40a
13621c46a5
14395471b4
1523e6cb57
hex170f25ca

386868682 has 4 divisors (see below), whose sum is σ = 580303026. Its totient is φ = 193434340.

The previous prime is 386868667. The next prime is 386868697. The reversal of 386868682 is 286868683.

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

It is an interprime number because it is at equal distance from previous prime (386868667) and next prime (386868697).

It can be written as a sum of positive squares in only one way, i.e., 312547041 + 74321641 = 17679^2 + 8621^2 .

It is a super-3 number, since 3×3868686823 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96717169 + ... + 96717172.

Almost surely, 2386868682 is an apocalyptic number.

386868682 is a deficient number, since it is larger than the sum of its proper divisors (193434344).

386868682 is a wasteful number, since it uses less digits than its factorization.

386868682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193434343.

The product of its digits is 5308416, while the sum is 55.

The square root of 386868682 is about 19668.9776551808. The cubic root of 386868682 is about 728.6537281411.

Subtracting from 386868682 its reverse (286868683), we obtain a palindrome (99999999).

The spelling of 386868682 in words is "three hundred eighty-six million, eight hundred sixty-eight thousand, six hundred eighty-two".

Divisors: 1 2 193434341 386868682