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1022412065 = 5409499957
BaseRepresentation
bin111100111100001…
…100010100100001
32122020211220200112
4330330030110201
54043214141230
6245241501105
734223234123
oct7474142441
92566756615
101022412065
11485141354
122464a1795
13133a8646c
1499b03213
155eb5bd95
hex3cf0c521

1022412065 has 8 divisors (see below), whose sum is σ = 1229896680. Its totient is φ = 815928192.

The previous prime is 1022412047. The next prime is 1022412067. The reversal of 1022412065 is 5602142201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 630411664 + 392000401 = 25108^2 + 19799^2 .

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 1022412065 - 28 = 1022411809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022412065.

It is not an unprimeable number, because it can be changed into a prime (1022412067) 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, 247934 + ... + 252023.

It is an arithmetic number, because the mean of its divisors is an integer number (153737085).

Almost surely, 21022412065 is an apocalyptic number.

It is an amenable number.

1022412065 is a deficient number, since it is larger than the sum of its proper divisors (207484615).

1022412065 is an equidigital number, since it uses as much as digits as its factorization.

1022412065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500371.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1022412065 is about 31975.1788892572. The cubic root of 1022412065 is about 1007.4155618472.

Adding to 1022412065 its reverse (5602142201), we get a palindrome (6624554266).

The spelling of 1022412065 in words is "one billion, twenty-two million, four hundred twelve thousand, sixty-five".

Divisors: 1 5 409 2045 499957 2499785 204482413 1022412065