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450381411 = 3316680793
BaseRepresentation
bin11010110110000…
…100011001100011
31011101110202011000
4122312010121203
51410244201121
6112405123043
714106115224
oct3266043143
91141422130
10450381411
11211257247
121069b9483
137240149c
1443b5b24b
1529816526
hex1ad84663

450381411 has 8 divisors (see below), whose sum is σ = 667231760. Its totient is φ = 300254256.

The previous prime is 450381409. The next prime is 450381419. The reversal of 450381411 is 114183054.

It is a happy number.

It is not a de Polignac number, because 450381411 - 21 = 450381409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 16680793 = 450381411 / (4 + 5 + 0 + 3 + 8 + 1 + 4 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450381419) 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, 8340370 + ... + 8340423.

It is an arithmetic number, because the mean of its divisors is an integer number (83403970).

Almost surely, 2450381411 is an apocalyptic number.

450381411 is a deficient number, since it is larger than the sum of its proper divisors (216850349).

450381411 is a wasteful number, since it uses less digits than its factorization.

450381411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16680802 (or 16680796 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 450381411 is about 21222.1914749632. The cubic root of 450381411 is about 766.5258741041.

The spelling of 450381411 in words is "four hundred fifty million, three hundred eighty-one thousand, four hundred eleven".

Divisors: 1 3 9 27 16680793 50042379 150127137 450381411