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987106 = 2736761
BaseRepresentation
bin11110000111111100010
31212011001111
43300333202
5223041411
633053534
711250601
oct3607742
91764044
10987106
1161469a
123b72aa
132873b3
141b9a38
15147721
hexf0fe2

987106 has 8 divisors (see below), whose sum is σ = 1501164. Its totient is φ = 486720.

The previous prime is 987101. The next prime is 987127. The reversal of 987106 is 601789.

It can be written as a sum of positive squares in 2 ways, for example, as 950625 + 36481 = 975^2 + 191^2 .

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

It is not an unprimeable number, because it can be changed into a prime (987101) by changing a digit.

987106 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3235 + ... + 3526.

2987106 is an apocalyptic number.

987106 is a deficient number, since it is larger than the sum of its proper divisors (514058).

987106 is a wasteful number, since it uses less digits than its factorization.

987106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 987106 is about 993.5320830250. The cubic root of 987106 is about 99.5683393721.

The spelling of 987106 in words is "nine hundred eighty-seven thousand, one hundred six".

Divisors: 1 2 73 146 6761 13522 493553 987106