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487874361 = 31312509599
BaseRepresentation
bin11101000101000…
…101111100111001
31021000000120210210
4131011011330321
51444343434421
6120224501333
715042602142
oct3505057471
91230016723
10487874361
11230435257
1211747a849
137a0cab70
1448b1aac9
152cc70576
hex1d145f39

487874361 has 8 divisors (see below), whose sum is σ = 700537600. Its totient is φ = 300230352.

The previous prime is 487874357. The next prime is 487874417. The reversal of 487874361 is 163478784.

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

It is not a de Polignac number, because 487874361 - 22 = 487874357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 487874361.

It is not an unprimeable number, because it can be changed into a prime (487874161) 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, 6254761 + ... + 6254838.

It is an arithmetic number, because the mean of its divisors is an integer number (87567200).

Almost surely, 2487874361 is an apocalyptic number.

It is an amenable number.

487874361 is a deficient number, since it is larger than the sum of its proper divisors (212663239).

487874361 is a wasteful number, since it uses less digits than its factorization.

487874361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12509615.

The product of its digits is 903168, while the sum is 48.

The square root of 487874361 is about 22087.8781461688. The cubic root of 487874361 is about 787.2318655795.

The spelling of 487874361 in words is "four hundred eighty-seven million, eight hundred seventy-four thousand, three hundred sixty-one".

Divisors: 1 3 13 39 12509599 37528797 162624787 487874361