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485881142 = 22137113683
BaseRepresentation
bin11100111101011…
…111010100110110
31020212021022121212
4130331133110312
51443341144032
6120114041422
715016631045
oct3475372466
91225238555
10485881142
1122a2a376a
12116879272
1379880846
144875c55c
152c9c9bb2
hex1cf5f536

485881142 has 8 divisors (see below), whose sum is σ = 729169176. Its totient is φ = 242824752.

The previous prime is 485881139. The next prime is 485881147. The reversal of 485881142 is 241188584.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 485881142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485881147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52568 + ... + 61115.

It is an arithmetic number, because the mean of its divisors is an integer number (91146147).

Almost surely, 2485881142 is an apocalyptic number.

485881142 is a deficient number, since it is larger than the sum of its proper divisors (243288034).

485881142 is a wasteful number, since it uses less digits than its factorization.

485881142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115822.

The product of its digits is 81920, while the sum is 41.

The square root of 485881142 is about 22042.7117660237. The cubic root of 485881142 is about 786.1583191932.

The spelling of 485881142 in words is "four hundred eighty-five million, eight hundred eighty-one thousand, one hundred forty-two".

Divisors: 1 2 2137 4274 113683 227366 242940571 485881142