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1023241021 = 11262135491
BaseRepresentation
bin111100111111010…
…110101100111101
32122022102000210121
4330333112230331
54043422203041
6245311334541
734233255655
oct7477265475
92568360717
101023241021
11485658140
12246821451
13133cb687a
1499c7b365
155ec727d1
hex3cfd6b3d

1023241021 has 8 divisors (see below), whose sum is σ = 1116720288. Its totient is φ = 929838000.

The previous prime is 1023241007. The next prime is 1023241061. The reversal of 1023241021 is 1201423201.

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 1023241021 - 25 = 1023240989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023240986 and 1023241004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023241061) 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, 11086 + ... + 46576.

It is an arithmetic number, because the mean of its divisors is an integer number (139590036).

Almost surely, 21023241021 is an apocalyptic number.

1023241021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1023241021 is a deficient number, since it is larger than the sum of its proper divisors (93479267).

1023241021 is a wasteful number, since it uses less digits than its factorization.

1023241021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38123.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1023241021 is about 31988.1387548572. The cubic root of 1023241021 is about 1007.6877539859.

Adding to 1023241021 its reverse (1201423201), we get a palindrome (2224664222).

The spelling of 1023241021 in words is "one billion, twenty-three million, two hundred forty-one thousand, twenty-one".

Divisors: 1 11 2621 28831 35491 390401 93021911 1023241021