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22140363 = 371054303
BaseRepresentation
bin101010001110…
…1010111001011
31112122211212110
41110131113023
521131442423
62110313403
7356122110
oct124352713
945584773
1022140363
1111552423
1274b8863
13478270b
142d24907
151e25193
hex151d5cb

22140363 has 8 divisors (see below), whose sum is σ = 33737728. Its totient is φ = 12651624.

The previous prime is 22140361. The next prime is 22140383. The reversal of 22140363 is 36304122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22140363 - 21 = 22140361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1054303 = 22140363 / (2 + 2 + 1 + 4 + 0 + 3 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22140361) 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, 527131 + ... + 527172.

It is an arithmetic number, because the mean of its divisors is an integer number (4217216).

Almost surely, 222140363 is an apocalyptic number.

22140363 is a deficient number, since it is larger than the sum of its proper divisors (11597365).

22140363 is a wasteful number, since it uses less digits than its factorization.

22140363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054313.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 22140363 is about 4705.3547156405. The cubic root of 22140363 is about 280.7985833039.

Adding to 22140363 its reverse (36304122), we get a palindrome (58444485).

The spelling of 22140363 in words is "twenty-two million, one hundred forty thousand, three hundred sixty-three".

Divisors: 1 3 7 21 1054303 3162909 7380121 22140363