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382345421 = 2903131707
BaseRepresentation
bin10110110010100…
…010000011001101
3222122110011022112
4112302202003031
51240340023141
6101534553405
712321611453
oct2662420315
9878404275
10382345421
11186907857
12a8068865
136129c8c3
1438aca9d3
15238777eb
hex16ca20cd

382345421 has 4 divisors (see below), whose sum is σ = 382480032. Its totient is φ = 382210812.

The previous prime is 382345391. The next prime is 382345441. The reversal of 382345421 is 124543283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 382345421 - 26 = 382345357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382345441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62951 + ... + 68756.

It is an arithmetic number, because the mean of its divisors is an integer number (95620008).

Almost surely, 2382345421 is an apocalyptic number.

It is an amenable number.

382345421 is a deficient number, since it is larger than the sum of its proper divisors (134611).

382345421 is a wasteful number, since it uses less digits than its factorization.

382345421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134610.

The product of its digits is 23040, while the sum is 32.

The square root of 382345421 is about 19553.6549268928. The cubic root of 382345421 is about 725.8027863776.

The spelling of 382345421 in words is "three hundred eighty-two million, three hundred forty-five thousand, four hundred twenty-one".

Divisors: 1 2903 131707 382345421