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442918367 = 19414791187
BaseRepresentation
bin11010011001100…
…110010111011111
31010212102120202222
4122121212113133
51401341341432
6111541135555
713655513123
oct3231462737
91125376688
10442918367
1120801a141
121043ba5bb
13709ba598
1442b77583
1528d40112
hex1a6665df

442918367 has 16 divisors (see below), whose sum is σ = 479001600. Its totient is φ = 408173760.

The previous prime is 442918351. The next prime is 442918387. The reversal of 442918367 is 763819244.

It is a cyclic number.

It is not a de Polignac number, because 442918367 - 24 = 442918351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442918327) 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, 372548 + ... + 373734.

It is an arithmetic number, because the mean of its divisors is an integer number (29937600).

Almost surely, 2442918367 is an apocalyptic number.

442918367 is a deficient number, since it is larger than the sum of its proper divisors (36083233).

442918367 is a wasteful number, since it uses less digits than its factorization.

With its successor (442918368) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (1726).

442918367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726.

The product of its digits is 290304, while the sum is 44.

The square root of 442918367 is about 21045.6258400647. The cubic root of 442918367 is about 762.2683654373.

The spelling of 442918367 in words is "four hundred forty-two million, nine hundred eighteen thousand, three hundred sixty-seven".

Divisors: 1 19 41 479 779 1187 9101 19639 22553 48667 373141 568573 924673 10802887 23311493 442918367