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487998067 = 659740513
BaseRepresentation
bin11101000101100…
…100001001110011
31021000020212111111
4131011210021303
51444411414232
6120231254151
715043625614
oct3505441163
91230225444
10487998067
1123050a197
1211751a357
137a14226b
1448b4dc0b
152cc97047
hex1d164273

487998067 has 4 divisors (see below), whose sum is σ = 488739240. Its totient is φ = 487256896.

The previous prime is 487998059. The next prime is 487998097. The reversal of 487998067 is 760899784.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487998067 - 23 = 487998059 is a prime.

It is a super-2 number, since 2×4879980672 = 476284226791472978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487998037) 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, 369598 + ... + 370915.

It is an arithmetic number, because the mean of its divisors is an integer number (122184810).

Almost surely, 2487998067 is an apocalyptic number.

487998067 is a deficient number, since it is larger than the sum of its proper divisors (741173).

487998067 is an equidigital number, since it uses as much as digits as its factorization.

487998067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741172.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The square root of 487998067 is about 22090.6782829319. The cubic root of 487998067 is about 787.2983971042.

The spelling of 487998067 in words is "four hundred eighty-seven million, nine hundred ninety-eight thousand, sixty-seven".

Divisors: 1 659 740513 487998067