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442414343 = 72913915679
BaseRepresentation
bin11010010111101…
…011010100000111
31010211110222101102
4122113223110013
51401224224333
6111522250315
713651313510
oct3227532407
91124428342
10442414343
11207805498
121041b699b
1370872047
1442a85a07
1528c90ae8
hex1a5eb507

442414343 has 16 divisors (see below), whose sum is σ = 526848000. Its totient is φ = 363478752.

The previous prime is 442414331. The next prime is 442414351. The reversal of 442414343 is 343414244.

It is a happy number.

It is not a de Polignac number, because 442414343 - 24 = 442414327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442414043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20378 + ... + 36056.

It is an arithmetic number, because the mean of its divisors is an integer number (32928000).

Almost surely, 2442414343 is an apocalyptic number.

442414343 is a deficient number, since it is larger than the sum of its proper divisors (84433657).

442414343 is a wasteful number, since it uses less digits than its factorization.

442414343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15854.

The product of its digits is 18432, while the sum is 29.

The square root of 442414343 is about 21033.6478766761. The cubic root of 442414343 is about 761.9791117004.

Adding to 442414343 its reverse (343414244), we get a palindrome (785828587).

Subtracting from 442414343 its reverse (343414244), we obtain a palindrome (99000099).

It can be divided in two parts, 44241 and 4343, that added together give a palindrome (48584).

The spelling of 442414343 in words is "four hundred forty-two million, four hundred fourteen thousand, three hundred forty-three".

Divisors: 1 7 29 139 203 973 4031 15679 28217 109753 454691 2179381 3182837 15255667 63202049 442414343