Search a number
-
+
1022686049 = 71113281637
BaseRepresentation
bin111100111101001…
…111001101100001
32122021100211112002
4330331033031201
54043301423144
6245251413345
734225454660
oct7475171541
92567324462
101022686049
11485309190
122465b4255
13133b51098
1499b74dd7
155ebb314e
hex3cf4f361

1022686049 has 8 divisors (see below), whose sum is σ = 1275037248. Its totient is φ = 796898160.

The previous prime is 1022686037. The next prime is 1022686081. The reversal of 1022686049 is 9406862201.

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 1022686049 - 28 = 1022685793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022686649) 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, 6640742 + ... + 6640895.

It is an arithmetic number, because the mean of its divisors is an integer number (159379656).

Almost surely, 21022686049 is an apocalyptic number.

It is an amenable number.

1022686049 is a deficient number, since it is larger than the sum of its proper divisors (252351199).

1022686049 is a wasteful number, since it uses less digits than its factorization.

1022686049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281655.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1022686049 is about 31979.4629254464. The cubic root of 1022686049 is about 1007.5055422322.

The spelling of 1022686049 in words is "one billion, twenty-two million, six hundred eighty-six thousand, forty-nine".

Divisors: 1 7 11 77 13281637 92971459 146098007 1022686049