Search a number
-
+
30552522 = 23711135087
BaseRepresentation
bin111010010001…
…1000111001010
32010111020011220
41310203013022
530310140042
63010502510
7520456260
oct164430712
963436156
1030552522
1116278620
12a294a36
136439620
1440b4430
152a378ec
hex1d231ca

30552522 has 64 divisors (see below), whose sum is σ = 82059264. Its totient is φ = 7323840.

The previous prime is 30552499. The next prime is 30552527. The reversal of 30552522 is 22525503.

It is a junction number, because it is equal to n+sod(n) for n = 30552492 and 30552501.

It is not an unprimeable number, because it can be changed into a prime (30552527) 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, 3463 + ... + 8549.

It is an arithmetic number, because the mean of its divisors is an integer number (1282176).

Almost surely, 230552522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30552522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41029632).

30552522 is an abundant number, since it is smaller than the sum of its proper divisors (51506742).

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

30552522 is a wasteful number, since it uses less digits than its factorization.

30552522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 30552522 is about 5527.4335816905. The cubic root of 30552522 is about 312.6192295973.

The spelling of 30552522 in words is "thirty million, five hundred fifty-two thousand, five hundred twenty-two".

Divisors: 1 2 3 6 7 11 13 14 21 22 26 33 39 42 66 77 78 91 143 154 182 231 273 286 429 462 546 858 1001 2002 3003 5087 6006 10174 15261 30522 35609 55957 66131 71218 106827 111914 132262 167871 198393 213654 335742 391699 396786 462917 727441 783398 925834 1175097 1388751 1454882 2182323 2350194 2777502 4364646 5092087 10184174 15276261 30552522