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382420231 is a prime number
BaseRepresentation
bin10110110010110…
…100010100000111
3222122120221221021
4112302310110013
51240344421411
6101540332011
712322342534
oct2662642407
9878527837
10382420231
11186958a86
12a80a4007
13612c797b
1438b09d8b
152388ea71
hex16cb4507

382420231 has 2 divisors, whose sum is σ = 382420232. Its totient is φ = 382420230.

The previous prime is 382420223. The next prime is 382420237. The reversal of 382420231 is 132024283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 382420231 - 23 = 382420223 is a prime.

It is a super-2 number, since 2×3824202312 = 292490466156186722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 382420196 and 382420205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382420237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191210115 + 191210116.

It is an arithmetic number, because the mean of its divisors is an integer number (191210116).

Almost surely, 2382420231 is an apocalyptic number.

382420231 is a deficient number, since it is larger than the sum of its proper divisors (1).

382420231 is an equidigital number, since it uses as much as digits as its factorization.

382420231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 382420231 is about 19555.5677749331. The cubic root of 382420231 is about 725.8501203349.

The spelling of 382420231 in words is "three hundred eighty-two million, four hundred twenty thousand, two hundred thirty-one".