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390081383 is a prime number
BaseRepresentation
bin10111010000000…
…010101101100111
31000012000012001122
4113100002231213
51244330101013
6102412444155
712444431336
oct2720025547
91005005048
10390081383
11190210a0a
12aa77965b
1362a7aab3
1439b41d1d
15243a4a08
hex17402b67

390081383 has 2 divisors, whose sum is σ = 390081384. Its totient is φ = 390081382.

The previous prime is 390081361. The next prime is 390081443. The reversal of 390081383 is 383180093.

It is a weak prime.

It is an emirp because it is prime and its reverse (383180093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 390081383 - 26 = 390081319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390081323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195040691 + 195040692.

It is an arithmetic number, because the mean of its divisors is an integer number (195040692).

Almost surely, 2390081383 is an apocalyptic number.

390081383 is a deficient number, since it is larger than the sum of its proper divisors (1).

390081383 is an equidigital number, since it uses as much as digits as its factorization.

390081383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 390081383 is about 19750.4780448474. The cubic root of 390081383 is about 730.6651740326.

The spelling of 390081383 in words is "three hundred ninety million, eighty-one thousand, three hundred eighty-three".