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442221014 = 2317279811
BaseRepresentation
bin11010010110111…
…100000111010110
31010211010011012002
4122112330013112
51401202033024
6111514155302
713646550044
oct3226740726
91124104162
10442221014
11207693214
12104122b32
1370805051
1442a35394
1528c536ae
hex1a5bc1d6

442221014 has 16 divisors (see below), whose sum is σ = 685741056. Its totient is φ = 213661800.

The previous prime is 442221011. The next prime is 442221037. The reversal of 442221014 is 410122244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442221011) 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, 40169 + ... + 49979.

It is an arithmetic number, because the mean of its divisors is an integer number (42858816).

Almost surely, 2442221014 is an apocalyptic number.

442221014 is a deficient number, since it is larger than the sum of its proper divisors (243520042).

442221014 is a wasteful number, since it uses less digits than its factorization.

442221014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10571.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 442221014 is about 21029.0516666825. The cubic root of 442221014 is about 761.8681040556.

Adding to 442221014 its reverse (410122244), we get a palindrome (852343258).

The spelling of 442221014 in words is "four hundred forty-two million, two hundred twenty-one thousand, fourteen".

Divisors: 1 2 31 62 727 1454 9811 19622 22537 45074 304141 608282 7132597 14265194 221110507 442221014