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442168662 = 23135668829
BaseRepresentation
bin11010010110101…
…111010101010110
31010211000111101010
4122112233111112
51401143344122
6111513113050
713646241315
oct3226572526
91124014333
10442168662
11207657951
121040b8786
13707b7280
1442a2027c
1528c42e0c
hex1a5af556

442168662 has 16 divisors (see below), whose sum is σ = 952363440. Its totient is φ = 136051872.

The previous prime is 442168651. The next prime is 442168663. The reversal of 442168662 is 266861244.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 442168662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442168663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2834337 + ... + 2834492.

It is an arithmetic number, because the mean of its divisors is an integer number (59522715).

Almost surely, 2442168662 is an apocalyptic number.

442168662 is an abundant number, since it is smaller than the sum of its proper divisors (510194778).

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

442168662 is a wasteful number, since it uses less digits than its factorization.

442168662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668847.

The product of its digits is 110592, while the sum is 39.

The square root of 442168662 is about 21027.8068756587. The cubic root of 442168662 is about 761.8380384762.

The spelling of 442168662 in words is "four hundred forty-two million, one hundred sixty-eight thousand, six hundred sixty-two".

Divisors: 1 2 3 6 13 26 39 78 5668829 11337658 17006487 34012974 73694777 147389554 221084331 442168662