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1022304423 = 37331147073
BaseRepresentation
bin111100111011110…
…010000010100111
32122020122110000210
4330323302002213
54043202220143
6245235310503
734222305240
oct7473620247
92566573023
101022304423
11485078498
1224644b433
13133a4947a
1499ab5cc7
155eb3a033
hex3cef20a7

1022304423 has 16 divisors (see below), whose sum is σ = 1562514176. Its totient is φ = 582405120.

The previous prime is 1022304421. The next prime is 1022304431. The reversal of 1022304423 is 3244032201.

It is not a de Polignac number, because 1022304423 - 21 = 1022304421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 1022304423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022304421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66586 + ... + 80487.

It is an arithmetic number, because the mean of its divisors is an integer number (97657136).

Almost surely, 21022304423 is an apocalyptic number.

1022304423 is a deficient number, since it is larger than the sum of its proper divisors (540209753).

1022304423 is a wasteful number, since it uses less digits than its factorization.

1022304423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147414.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1022304423 is about 31973.4956331021. The cubic root of 1022304423 is about 1007.3802062290.

Adding to 1022304423 its reverse (3244032201), we get a palindrome (4266336624).

The spelling of 1022304423 in words is "one billion, twenty-two million, three hundred four thousand, four hundred twenty-three".

Divisors: 1 3 7 21 331 993 2317 6951 147073 441219 1029511 3088533 48681163 146043489 340768141 1022304423