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987105337 = 5343343013
BaseRepresentation
bin111010110101100…
…000100000111001
32112210102010221221
4322311200200321
54010144332322
6241541032041
733314154061
oct7265404071
92483363857
10987105337
11467216939
122366b5621
13129673bca
14951523a1
155b9d59c7
hex3ad60839

987105337 has 8 divisors (see below), whose sum is σ = 1008076104. Its totient is φ = 966221568.

The previous prime is 987105313. The next prime is 987105359. The reversal of 987105337 is 733501789.

It can be written as a sum of positive squares in 4 ways, for example, as 186158736 + 800946601 = 13644^2 + 28301^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 987105337 - 211 = 987103289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 987105293 and 987105302.

It is not an unprimeable number, because it can be changed into a prime (987105307) 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, 1443 + ... + 44455.

It is an arithmetic number, because the mean of its divisors is an integer number (126009513).

Almost surely, 2987105337 is an apocalyptic number.

It is an amenable number.

987105337 is a deficient number, since it is larger than the sum of its proper divisors (20970767).

987105337 is a wasteful number, since it uses less digits than its factorization.

987105337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43499.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 987105337 is about 31418.2325569087. The cubic root of 987105337 is about 995.6831708004.

The spelling of 987105337 in words is "nine hundred eighty-seven million, one hundred five thousand, three hundred thirty-seven".

Divisors: 1 53 433 22949 43013 2279689 18624629 987105337