Search a number
-
+
20234522 = 27111759131
BaseRepresentation
bin100110100110…
…0000100011010
31102002000112202
41031030010122
520140001042
62001410202
7333663530
oct115140432
942060482
1020234522
1110470550
126939962
1342660b9
14298a150
151b9a632
hex134c11a

20234522 has 64 divisors (see below), whose sum is σ = 41057280. Its totient is φ = 7238400.

The previous prime is 20234521. The next prime is 20234551. The reversal of 20234522 is 22543202.

It is a junction number, because it is equal to n+sod(n) for n = 20234494 and 20234503.

It is not an unprimeable number, because it can be changed into a prime (20234521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154397 + ... + 154527.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 220234522 is an apocalyptic number.

20234522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20234522 is an abundant number, since it is smaller than the sum of its proper divisors (20822758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20234522 is a wasteful number, since it uses less digits than its factorization.

20234522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20234522 is about 4498.2798934704. The cubic root of 20234522 is about 272.4986258102.

Adding to 20234522 its reverse (22543202), we get a palindrome (42777724).

The spelling of 20234522 in words is "twenty million, two hundred thirty-four thousand, five hundred twenty-two".

Divisors: 1 2 7 11 14 17 22 34 59 77 118 119 131 154 187 238 262 374 413 649 826 917 1003 1298 1309 1441 1834 2006 2227 2618 2882 4454 4543 7021 7729 9086 10087 11033 14042 15458 15589 20174 22066 24497 31178 48994 54103 77231 85019 108206 131393 154462 170038 171479 262786 342958 595133 919751 1190266 1445323 1839502 2890646 10117261 20234522