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22142353 = 192322203
BaseRepresentation
bin101010001110…
…1110110010001
31112122221121011
41110131312101
521132023403
62110330521
7356130652
oct124356621
945587534
1022142353
1111553972
1274b9a41
1347835ac
142d25529
151e25a6d
hex151dd91

22142353 has 12 divisors (see below), whose sum is σ = 24376240. Its totient is φ = 20055816.

The previous prime is 22142333. The next prime is 22142359. The reversal of 22142353 is 35324122.

It is a de Polignac number, because none of the positive numbers 2k-22142353 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22142359) 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 11 ways as a sum of consecutive naturals, for example, 8950 + ... + 11152.

Almost surely, 222142353 is an apocalyptic number.

22142353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22142353 is a deficient number, since it is larger than the sum of its proper divisors (2233887).

22142353 is a wasteful number, since it uses less digits than its factorization.

22142353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268 (or 2245 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 22142353 is about 4705.5661720987. The cubic root of 22142353 is about 280.8069958796.

Adding to 22142353 its reverse (35324122), we get a palindrome (57466475).

The spelling of 22142353 in words is "twenty-two million, one hundred forty-two thousand, three hundred fifty-three".

Divisors: 1 19 23 437 529 2203 10051 41857 50669 962711 1165387 22142353