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1022313401 = 3133266177
BaseRepresentation
bin111100111011110…
…100001110111001
32122020122220100022
4330323310032321
54043203012101
6245235420225
734222343354
oct7473641671
92566586308
101022313401
1148508420a
12246454675
13133a50595
1499ab929b
155eb3ca1b
hex3cef43b9

1022313401 has 4 divisors (see below), whose sum is σ = 1025579892. Its totient is φ = 1019046912.

The previous prime is 1022313359. The next prime is 1022313437. The reversal of 1022313401 is 1043132201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 389036176 + 633277225 = 19724^2 + 25165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1022313401 is a prime.

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 1022313401.

It is not an unprimeable number, because it can be changed into a prime (1022313101) by changing a digit.

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, 1632776 + ... + 1633401.

It is an arithmetic number, because the mean of its divisors is an integer number (256394973).

Almost surely, 21022313401 is an apocalyptic number.

It is an amenable number.

1022313401 is a deficient number, since it is larger than the sum of its proper divisors (3266491).

1022313401 is an equidigital number, since it uses as much as digits as its factorization.

1022313401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266490.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1022313401 is about 31973.6360303297. The cubic root of 1022313401 is about 1007.3831551983.

Adding to 1022313401 its reverse (1043132201), we get a palindrome (2065445602).

The spelling of 1022313401 in words is "one billion, twenty-two million, three hundred thirteen thousand, four hundred one".

Divisors: 1 313 3266177 1022313401