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1022423201 = 5631816027
BaseRepresentation
bin111100111100001…
…111000010100001
32122020212110221222
4330330033002201
54043220020301
6245242024425
734223311442
oct7474170241
92566773858
101022423201
11485149758
122464a8115
13133a8b557
1499b072c9
155eb6031b
hex3cf0f0a1

1022423201 has 4 divisors (see below), whose sum is σ = 1024239792. Its totient is φ = 1020606612.

The previous prime is 1022423177. The next prime is 1022423203. The reversal of 1022423201 is 1023242201.

1022423201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1022423201 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 1022423201.

It is not an unprimeable number, because it can be changed into a prime (1022423203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907451 + ... + 908576.

It is an arithmetic number, because the mean of its divisors is an integer number (256059948).

Almost surely, 21022423201 is an apocalyptic number.

It is an amenable number.

1022423201 is a deficient number, since it is larger than the sum of its proper divisors (1816591).

1022423201 is an equidigital number, since it uses as much as digits as its factorization.

1022423201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816590.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1022423201 is about 31975.3530238526. The cubic root of 1022423201 is about 1007.4192193872.

Adding to 1022423201 its reverse (1023242201), we get a palindrome (2045665402).

The spelling of 1022423201 in words is "one billion, twenty-two million, four hundred twenty-three thousand, two hundred one".

Divisors: 1 563 1816027 1022423201