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442486970 = 25103429599
BaseRepresentation
bin11010010111111…
…101000010111010
31010211121200000022
4122113331002322
51401234040340
6111524010442
713652035322
oct3227750272
91124550008
10442486970
11207855012
12104230a22
1370899113
1442aa4282
1528ca73b5
hex1a5fd0ba

442486970 has 16 divisors (see below), whose sum is σ = 804211200. Its totient is φ = 175275984.

The previous prime is 442486943. The next prime is 442486973. The reversal of 442486970 is 79684244.

It is not an unprimeable number, because it can be changed into a prime (442486973) 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, 213770 + ... + 215829.

It is an arithmetic number, because the mean of its divisors is an integer number (50263200).

Almost surely, 2442486970 is an apocalyptic number.

442486970 is a deficient number, since it is larger than the sum of its proper divisors (361724230).

442486970 is a wasteful number, since it uses less digits than its factorization.

442486970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429709.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 442486970 is about 21035.3742538610. The cubic root of 442486970 is about 762.0208050662.

The spelling of 442486970 in words is "four hundred forty-two million, four hundred eighty-six thousand, nine hundred seventy".

Divisors: 1 2 5 10 103 206 515 1030 429599 859198 2147995 4295990 44248697 88497394 221243485 442486970