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442234310 = 25721947501
BaseRepresentation
bin11010010110111…
…111010111000110
31010211010211102112
4122112333113012
51401202444220
6111514341022
713646633600
oct3226772706
91124124375
10442234310
112076a2201
1210412a772
137080b10b
1442a3a170
1528c575c5
hex1a5bf5c6

442234310 has 48 divisors (see below), whose sum is σ = 974741040. Its totient is φ = 143640000.

The previous prime is 442234307. The next prime is 442234381. The reversal of 442234310 is 13432244.

It is a super-2 number, since 2×4422343102 = 391142369882352200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14441 + ... + 33060.

It is an arithmetic number, because the mean of its divisors is an integer number (20307105).

Almost surely, 2442234310 is an apocalyptic number.

442234310 is an abundant number, since it is smaller than the sum of its proper divisors (532506730).

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

442234310 is a wasteful number, since it uses less digits than its factorization.

442234310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47541 (or 47534 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 442234310 is about 21029.3677983909. The cubic root of 442234310 is about 761.8757395263.

Adding to 442234310 its reverse (13432244), we get a palindrome (455666554).

The spelling of 442234310 in words is "four hundred forty-two million, two hundred thirty-four thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 19 35 38 49 70 95 98 133 190 245 266 490 665 931 1330 1862 4655 9310 47501 95002 237505 332507 475010 665014 902519 1662535 1805038 2327549 3325070 4512595 4655098 6317633 9025190 11637745 12635266 23275490 31588165 44223431 63176330 88446862 221117155 442234310