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442311115 = 54319110771
BaseRepresentation
bin11010010111010…
…010000111001011
31010211021201210011
4122113102013023
51401212423430
6111520132351
713650403531
oct3227220713
91124251704
10442311115
11207744984
121041670b7
137083706c
1442a5a151
1528c7022a
hex1a5d21cb

442311115 has 16 divisors (see below), whose sum is σ = 546011136. Its totient is φ = 343778400.

The previous prime is 442311109. The next prime is 442311139. The reversal of 442311115 is 511113244.

It is not a de Polignac number, because 442311115 - 225 = 408756683 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35680 + ... + 46450.

It is an arithmetic number, because the mean of its divisors is an integer number (34125696).

Almost surely, 2442311115 is an apocalyptic number.

442311115 is a deficient number, since it is larger than the sum of its proper divisors (103700021).

442311115 is a wasteful number, since it uses less digits than its factorization.

442311115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010.

The product of its digits is 480, while the sum is 22.

The square root of 442311115 is about 21031.1938557943. The cubic root of 442311115 is about 761.9198432044.

Adding to 442311115 its reverse (511113244), we get a palindrome (953424359).

The spelling of 442311115 in words is "four hundred forty-two million, three hundred eleven thousand, one hundred fifteen".

Divisors: 1 5 43 191 215 955 8213 10771 41065 53855 463153 2057261 2315765 10286305 88462223 442311115