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2202420423 = 37472231429
BaseRepresentation
bin1000001101000110…
…0100010011000111
312200111020112211210
42003101210103013
514002304423143
61002313302503
7105402156540
oct20321442307
95614215753
102202420423
11a30233075
12515704a33
1329139b268
1416c70b4c7
15cd549033
hex834644c7

2202420423 has 16 divisors (see below), whose sum is σ = 3427476480. Its totient is φ = 1231748256.

The previous prime is 2202420421. The next prime is 2202420463. The reversal of 2202420423 is 3240242022.

It is not a de Polignac number, because 2202420423 - 21 = 2202420421 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2202420423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202420421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114728 + ... + 1116701.

It is an arithmetic number, because the mean of its divisors is an integer number (214217280).

Almost surely, 22202420423 is an apocalyptic number.

2202420423 is a deficient number, since it is larger than the sum of its proper divisors (1225056057).

2202420423 is a wasteful number, since it uses less digits than its factorization.

2202420423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231486.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2202420423 is about 46929.9523012756. The cubic root of 2202420423 is about 1301.0682389264.

Adding to 2202420423 its reverse (3240242022), we get a palindrome (5442662445).

The spelling of 2202420423 in words is "two billion, two hundred two million, four hundred twenty thousand, four hundred twenty-three".

Divisors: 1 3 7 21 47 141 329 987 2231429 6694287 15620003 46860009 104877163 314631489 734140141 2202420423