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486161589 = 31103146921
BaseRepresentation
bin11100111110100…
…011110010110101
31020212210120022210
4130332203302311
51443424132324
6120124044033
715022206504
oct3476436265
91225716283
10486161589
1122a475441
12116993619
137994b3a4
14487d283b
152ca32d29
hex1cfa3cb5

486161589 has 8 divisors (see below), whose sum is σ = 648807552. Its totient is φ = 323811680.

The previous prime is 486161491. The next prime is 486161609. The reversal of 486161589 is 985161684.

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

It is a cyclic number.

It is not a de Polignac number, because 486161589 - 225 = 452607157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486166589) 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, 70152 + ... + 76769.

It is an arithmetic number, because the mean of its divisors is an integer number (81100944).

Almost surely, 2486161589 is an apocalyptic number.

It is an amenable number.

486161589 is a deficient number, since it is larger than the sum of its proper divisors (162645963).

486161589 is a wasteful number, since it uses less digits than its factorization.

486161589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148027.

The product of its digits is 414720, while the sum is 48.

The square root of 486161589 is about 22049.0722934095. The cubic root of 486161589 is about 786.3095450231.

It can be divided in two parts, 48616 and 1589, that added together give a palindrome (50205).

The spelling of 486161589 in words is "four hundred eighty-six million, one hundred sixty-one thousand, five hundred eighty-nine".

Divisors: 1 3 1103 3309 146921 440763 162053863 486161589