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381364339 = 1201317539
BaseRepresentation
bin10110101110110…
…010100001110011
3222120121022112011
4112232302201303
51240112124324
6101501543351
712310354246
oct2656624163
9876538464
10381364339
111862a7744
12a7874b57
1361018195
143891325d
1523731c94
hex16bb2873

381364339 has 4 divisors (see below), whose sum is σ = 381683080. Its totient is φ = 381045600.

The previous prime is 381364307. The next prime is 381364351. The reversal of 381364339 is 933463183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933463183 = 1754909599.

It is a cyclic number.

It is not a de Polignac number, because 381364339 - 25 = 381364307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381364369) 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, 157569 + ... + 159970.

It is an arithmetic number, because the mean of its divisors is an integer number (95420770).

Almost surely, 2381364339 is an apocalyptic number.

381364339 is a deficient number, since it is larger than the sum of its proper divisors (318741).

381364339 is a wasteful number, since it uses less digits than its factorization.

381364339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318740.

The product of its digits is 139968, while the sum is 40.

The square root of 381364339 is about 19528.5518920375. The cubic root of 381364339 is about 725.1814616725.

The spelling of 381364339 in words is "three hundred eighty-one million, three hundred sixty-four thousand, three hundred thirty-nine".

Divisors: 1 1201 317539 381364339