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485939129 = 13131285343
BaseRepresentation
bin11100111101101…
…101011110111001
31020212101021011112
4130331231132321
51443400023004
6120115210105
715020262104
oct3475553671
91225337145
10485939129
1122a333295
121168a6935
13798a1060
144877573b
152c9dbe6e
hex1cf6d7b9

485939129 has 8 divisors (see below), whose sum is σ = 527315712. Its totient is φ = 445133520.

The previous prime is 485939107. The next prime is 485939131. The reversal of 485939129 is 921939584.

It is a happy number.

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

It is not a de Polignac number, because 485939129 - 228 = 217503673 is a prime.

It is a super-2 number, since 2×4859391292 = 472273674186557282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485939149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140969 + ... + 144374.

It is an arithmetic number, because the mean of its divisors is an integer number (65914464).

Almost surely, 2485939129 is an apocalyptic number.

It is an amenable number.

485939129 is a deficient number, since it is larger than the sum of its proper divisors (41376583).

485939129 is a wasteful number, since it uses less digits than its factorization.

485939129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285487.

The product of its digits is 699840, while the sum is 50.

The square root of 485939129 is about 22044.0270595007. The cubic root of 485939129 is about 786.1895923758.

The spelling of 485939129 in words is "four hundred eighty-five million, nine hundred thirty-nine thousand, one hundred twenty-nine".

Divisors: 1 13 131 1703 285343 3709459 37379933 485939129