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487119669 = 3162373223
BaseRepresentation
bin11101000010001…
…101101100110101
31020221121020120020
4131002031230311
51444200312134
6120200355353
715033306651
oct3502155465
91227536506
10487119669
1122aa6a243
12117175b59
1379bc54ba
14489a1a61
152cb71b49
hex1d08db35

487119669 has 4 divisors (see below), whose sum is σ = 649492896. Its totient is φ = 324746444.

The previous prime is 487119643. The next prime is 487119671. The reversal of 487119669 is 966911784.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 487119669 - 213 = 487111477 is a prime.

It is a super-2 number, since 2×4871196692 = 474571143853339122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487119629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81186609 + ... + 81186614.

It is an arithmetic number, because the mean of its divisors is an integer number (162373224).

Almost surely, 2487119669 is an apocalyptic number.

It is an amenable number.

487119669 is a deficient number, since it is larger than the sum of its proper divisors (162373227).

487119669 is a wasteful number, since it uses less digits than its factorization.

487119669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162373226.

The product of its digits is 653184, while the sum is 51.

The square root of 487119669 is about 22070.7876841766. The cubic root of 487119669 is about 786.8257335582.

The spelling of 487119669 in words is "four hundred eighty-seven million, one hundred nineteen thousand, six hundred sixty-nine".

Divisors: 1 3 162373223 487119669