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987083146 = 27243234239
BaseRepresentation
bin111010110101011…
…011000110001010
32112210101000112001
4322311123012022
54010143130041
6241540341214
733314032300
oct7265330612
92483330461
10987083146
114672011a5
122366a480a
13129666a8a
1495148270
155b9ce131
hex3ad5b18a

987083146 has 24 divisors (see below), whose sum is σ = 1762421760. Its totient is φ = 413195832.

The previous prime is 987083113. The next prime is 987083177. The reversal of 987083146 is 641380789.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 987083096 and 987083105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112906 + ... + 121333.

It is an arithmetic number, because the mean of its divisors is an integer number (73434240).

Almost surely, 2987083146 is an apocalyptic number.

987083146 is a deficient number, since it is larger than the sum of its proper divisors (775338614).

987083146 is a wasteful number, since it uses less digits than its factorization.

987083146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234298 (or 234291 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 987083146 is about 31417.8794001123. The cubic root of 987083146 is about 995.6757094654.

The spelling of 987083146 in words is "nine hundred eighty-seven million, eighty-three thousand, one hundred forty-six".

Divisors: 1 2 7 14 43 49 86 98 301 602 2107 4214 234239 468478 1639673 3279346 10072277 11477711 20144554 22955422 70505939 141011878 493541573 987083146