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8980287 = 35095881
BaseRepresentation
bin100010010000…
…011100111111
3121220020122020
4202100130333
54244332122
6520251223
7136221411
oct42203477
917806566
108980287
115084028
123010b13
131b256a4
14129a9b1
15bc5c5c
hex89073f

8980287 has 8 divisors (see below), whose sum is σ = 11999280. Its totient is φ = 5974080.

The previous prime is 8980277. The next prime is 8980289. The reversal of 8980287 is 7820898.

It is a happy number.

8980287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8980287 - 28 = 8980031 is a prime.

It is a super-3 number, since 3×89802873 (a number of 22 digits) contains 333 as substring.

8980287 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8980289) 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, 1414 + ... + 4467.

It is an arithmetic number, because the mean of its divisors is an integer number (1499910).

Almost surely, 28980287 is an apocalyptic number.

8980287 is a deficient number, since it is larger than the sum of its proper divisors (3018993).

8980287 is a wasteful number, since it uses less digits than its factorization.

8980287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 8980287 is about 2996.7126989420. The cubic root of 8980287 is about 207.8564020575.

The spelling of 8980287 in words is "eight million, nine hundred eighty thousand, two hundred eighty-seven".

Divisors: 1 3 509 1527 5881 17643 2993429 8980287