Search a number
-
+
8893081 = 137139467
BaseRepresentation
bin100001111011…
…001010011001
3121201211000101
4201323022121
54234034311
6514335401
7135406231
oct41731231
917654011
108893081
11502455a
122b8a561
131ac4aa2
141276cc1
15ba9ec1
hex87b299

8893081 has 8 divisors (see below), whose sum is σ = 9041760. Its totient is φ = 8745888.

The previous prime is 8893069. The next prime is 8893099. The reversal of 8893081 is 1803988.

8893081 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 8893081 - 211 = 8891033 is a prime.

It is a super-2 number, since 2×88930812 = 158173779345122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8893081.

It is not an unprimeable number, because it can be changed into a prime (8893021) 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, 18810 + ... + 19276.

It is an arithmetic number, because the mean of its divisors is an integer number (1130220).

Almost surely, 28893081 is an apocalyptic number.

It is an amenable number.

8893081 is a deficient number, since it is larger than the sum of its proper divisors (148679).

8893081 is a wasteful number, since it uses less digits than its factorization.

8893081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 8893081 is about 2982.1269255349. The cubic root of 8893081 is about 207.1813932721.

It can be divided in two parts, 88 and 93081, that multiplied together give a triangular number (8191128 = T4047).

The spelling of 8893081 in words is "eight million, eight hundred ninety-three thousand, eighty-one".

Divisors: 1 137 139 467 19043 63979 64913 8893081