Search a number
-
+
7986045 = 35532403
BaseRepresentation
bin11110011101101101111101
3120000201210110
4132131231331
54021023140
6443100233
7124610634
oct36355575
916021713
107986045
114565041
122811679
131867c92
1410bc51b
15a7b380
hex79db7d

7986045 has 8 divisors (see below), whose sum is σ = 12777696. Its totient is φ = 4259216.

The previous prime is 7986029. The next prime is 7986047. The reversal of 7986045 is 5406897.

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 7986045 - 24 = 7986029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7985994 and 7986012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7986047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266187 + ... + 266216.

It is an arithmetic number, because the mean of its divisors is an integer number (1597212).

Almost surely, 27986045 is an apocalyptic number.

It is an amenable number.

7986045 is a deficient number, since it is larger than the sum of its proper divisors (4791651).

7986045 is a wasteful number, since it uses less digits than its factorization.

7986045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532411.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 7986045 is about 2825.9591292161. The cubic root of 7986045 is about 199.8836406490.

Subtracting from 7986045 its sum of digits (39), we obtain a triangular number (7986006 = T3996).

The spelling of 7986045 in words is "seven million, nine hundred eighty-six thousand, forty-five".

Divisors: 1 3 5 15 532403 1597209 2662015 7986045