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442141161 = 37211273433
BaseRepresentation
bin11010010110101…
…000100111101001
31010210222002122120
4122112220213221
51401142004121
6111512341453
713646065200
oct3226504751
91123862576
10442141161
11207639220
121040a4889
13707a78b7
1442a14237
1528c39bc6
hex1a5a89e9

442141161 has 24 divisors (see below), whose sum is σ = 748115424. Its totient is φ = 229682880.

The previous prime is 442141159. The next prime is 442141201. The reversal of 442141161 is 161141244.

It is not a de Polignac number, because 442141161 - 21 = 442141159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442141111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135100 + ... + 138333.

It is an arithmetic number, because the mean of its divisors is an integer number (31171476).

Almost surely, 2442141161 is an apocalyptic number.

It is an amenable number.

442141161 is a deficient number, since it is larger than the sum of its proper divisors (305974263).

442141161 is a wasteful number, since it uses less digits than its factorization.

442141161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273461 (or 273454 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 442141161 is about 21027.1529456558. The cubic root of 442141161 is about 761.8222437927.

The spelling of 442141161 in words is "four hundred forty-two million, one hundred forty-one thousand, one hundred sixty-one".

Divisors: 1 3 7 11 21 33 49 77 147 231 539 1617 273433 820299 1914031 3007763 5742093 9023289 13398217 21054341 40194651 63163023 147380387 442141161