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486064890 = 23255400721
BaseRepresentation
bin11100111110001…
…100001011111010
31020212121122200100
4130332030023322
51443413034030
6120122020230
715021324543
oct3476141372
91225548610
10486064890
1122a409823
12116947676
137991637c
14487a94ca
152ca14360
hex1cf8c2fa

486064890 has 24 divisors (see below), whose sum is σ = 1263768948. Its totient is φ = 129617280.

The previous prime is 486064837. The next prime is 486064907. The reversal of 486064890 is 98460684.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 410427081 + 75637809 = 20259^2 + 8697^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2700271 + ... + 2700450.

Almost surely, 2486064890 is an apocalyptic number.

486064890 is an abundant number, since it is smaller than the sum of its proper divisors (777704058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

486064890 is a wasteful number, since it uses less digits than its factorization.

486064890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400734 (or 5400731 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 486064890 is about 22046.8793710130. The cubic root of 486064890 is about 786.2574084563.

The spelling of 486064890 in words is "four hundred eighty-six million, sixty-four thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 5400721 10801442 16202163 27003605 32404326 48606489 54007210 81010815 97212978 162021630 243032445 486064890