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987792061 = 34710612683
BaseRepresentation
bin111010111000001…
…000001010111101
32112211201000222011
4322320020022331
54010333321221
6242003451221
733323044144
oct7270101275
92484630864
10987792061
11467645883
12236986b11
13129854659
149529075b
155babe1e1
hex3ae082bd

987792061 has 8 divisors (see below), whose sum is σ = 991941984. Its totient is φ = 983650320.

The previous prime is 987792059. The next prime is 987792077. The reversal of 987792061 is 160297789.

It is a happy number.

987792061 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 a cyclic number.

It is not a de Polignac number, because 987792061 - 21 = 987792059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 987791996 and 987792014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987792011) 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, 366826 + ... + 369508.

It is an arithmetic number, because the mean of its divisors is an integer number (123992748).

Almost surely, 2987792061 is an apocalyptic number.

It is an amenable number.

987792061 is a deficient number, since it is larger than the sum of its proper divisors (4149923).

987792061 is a wasteful number, since it uses less digits than its factorization.

987792061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 987792061 is about 31429.1594065129. The cubic root of 987792061 is about 995.9140144611.

The spelling of 987792061 in words is "nine hundred eighty-seven million, seven hundred ninety-two thousand, sixty-one".

Divisors: 1 347 1061 2683 368167 931001 2846663 987792061