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411381893 = 1338981349
BaseRepresentation
bin11000100001010…
…011000010000101
31001200002100212102
4120201103002011
51320303210033
6104453201445
713123455056
oct3041230205
91050070772
10411381893
111a123a33a
12b5930285
13672c8150
143c8c872d
15261b0de8
hex18853085

411381893 has 8 divisors (see below), whose sum is σ = 444171000. Its totient is φ = 378756288.

The previous prime is 411381877. The next prime is 411381923. The reversal of 411381893 is 398183114.

It can be written as a sum of positive squares in 4 ways, for example, as 34128964 + 377252929 = 5842^2 + 19423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 411381893 - 24 = 411381877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411381493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35618 + ... + 45731.

It is an arithmetic number, because the mean of its divisors is an integer number (55521375).

Almost surely, 2411381893 is an apocalyptic number.

It is an amenable number.

411381893 is a deficient number, since it is larger than the sum of its proper divisors (32789107).

411381893 is a wasteful number, since it uses less digits than its factorization.

411381893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81751.

The product of its digits is 20736, while the sum is 38.

The square root of 411381893 is about 20282.5514420647. The cubic root of 411381893 is about 743.7295844689.

The spelling of 411381893 in words is "four hundred eleven million, three hundred eighty-one thousand, eight hundred ninety-three".

Divisors: 1 13 389 5057 81349 1057537 31644761 411381893