Search a number
-
+
987690316 = 22892774411
BaseRepresentation
bin111010110111101…
…111010101001100
32112211111212101211
4322313233111030
54010322042231
6242001344204
733322141414
oct7267572514
92484455354
10987690316
11467586398
12236938064
1312981a252
1495265644
155ba9deb1
hex3adef54c

987690316 has 12 divisors (see below), whose sum is σ = 1747879560. Its totient is φ = 488296160.

The previous prime is 987690299. The next prime is 987690329. The reversal of 987690316 is 613096789.

It is a self number, because there is not a number n which added to its sum of digits gives 987690316.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386850 + ... + 1387561.

It is an arithmetic number, because the mean of its divisors is an integer number (145656630).

Almost surely, 2987690316 is an apocalyptic number.

It is an amenable number.

987690316 is a deficient number, since it is larger than the sum of its proper divisors (760189244).

987690316 is a wasteful number, since it uses less digits than its factorization.

987690316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774504 (or 2774502 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 987690316 is about 31427.5407246574. The cubic root of 987690316 is about 995.8798194266.

The spelling of 987690316 in words is "nine hundred eighty-seven million, six hundred ninety thousand, three hundred sixteen".

Divisors: 1 2 4 89 178 356 2774411 5548822 11097644 246922579 493845158 987690316