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412381 = 1512731
BaseRepresentation
bin1100100101011011101
3202221200101
41210223131
5101144011
612501101
73335164
oct1445335
9687611
10412381
11261912
1217a791
13115918
14aa3db
15822c1
hex64add

412381 has 4 divisors (see below), whose sum is σ = 415264. Its totient is φ = 409500.

The previous prime is 412343. The next prime is 412387. The reversal of 412381 is 183214.

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 412381 - 27 = 412253 is a prime.

It is a super-2 number, since 2×4123812 = 340116178322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215 + ... + 1516.

It is an arithmetic number, because the mean of its divisors is an integer number (103816).

2412381 is an apocalyptic number.

It is an amenable number.

412381 is a deficient number, since it is larger than the sum of its proper divisors (2883).

412381 is a wasteful number, since it uses less digits than its factorization.

412381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882.

The product of its digits is 192, while the sum is 19.

The square root of 412381 is about 642.1689808765. The cubic root of 412381 is about 74.4331186618.

Adding to 412381 its reverse (183214), we get a palindrome (595595).

The spelling of 412381 in words is "four hundred twelve thousand, three hundred eighty-one".

Divisors: 1 151 2731 412381