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385369 = 834643
BaseRepresentation
bin1011110000101011001
3201120121221
41132011121
544312434
612132041
73163345
oct1360531
9646557
10385369
11243596
12167021
1310653a
14a0625
15792b4
hex5e159

385369 has 4 divisors (see below), whose sum is σ = 390096. Its totient is φ = 380644.

The previous prime is 385351. The next prime is 385379. The reversal of 385369 is 963583.

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 385369 - 211 = 383321 is a prime.

It is a super-2 number, since 2×3853692 = 297018532322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385379) 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, 2239 + ... + 2404.

It is an arithmetic number, because the mean of its divisors is an integer number (97524).

2385369 is an apocalyptic number.

It is an amenable number.

385369 is a deficient number, since it is larger than the sum of its proper divisors (4727).

385369 is an equidigital number, since it uses as much as digits as its factorization.

385369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726.

The product of its digits is 19440, while the sum is 34.

The square root of 385369 is about 620.7809597596. The cubic root of 385369 is about 72.7710975919.

The spelling of 385369 in words is "three hundred eighty-five thousand, three hundred sixty-nine".

Divisors: 1 83 4643 385369