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440314434 = 23371164853
BaseRepresentation
bin11010001111101…
…010101001000010
31010200112021212000
4122033222221002
51400210030214
6111405244430
713624416360
oct3217525102
91120467760
10440314434
1120660082a
12103563716
13702b82b1
144269a630
15289c8809
hex1a3eaa42

440314434 has 32 divisors (see below), whose sum is σ = 1118259840. Its totient is φ = 125804016.

The previous prime is 440314423. The next prime is 440314439. The reversal of 440314434 is 434413044.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 440314398 and 440314407.

It is not an unprimeable number, because it can be changed into a prime (440314439) 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, 582049 + ... + 582804.

It is an arithmetic number, because the mean of its divisors is an integer number (34945620).

Almost surely, 2440314434 is an apocalyptic number.

440314434 is an abundant number, since it is smaller than the sum of its proper divisors (677945406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440314434 is a wasteful number, since it uses less digits than its factorization.

440314434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164871 (or 1164865 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 440314434 is about 20983.6706512469. The cubic root of 440314434 is about 760.7716274286.

Adding to 440314434 its reverse (434413044), we get a palindrome (874727478).

The spelling of 440314434 in words is "four hundred forty million, three hundred fourteen thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 1164853 2329706 3494559 6989118 8153971 10483677 16307942 20967354 24461913 31451031 48923826 62902062 73385739 146771478 220157217 440314434