Search a number
-
+
220525542 = 23267182857
BaseRepresentation
bin11010010010011…
…11001111100110
3120100221212011200
431021033033212
5422423304132
633514343330
75315302416
oct1511171746
9510855150
10220525542
11103532116
1261a2ab46
13368c29b3
1421406646
1514560d7c
hexd24f3e6

220525542 has 24 divisors (see below), whose sum is σ = 484939416. Its totient is φ = 72410976.

The previous prime is 220525507. The next prime is 220525549. The reversal of 220525542 is 245525022.

220525542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220525549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90223 + ... + 92634.

It is an arithmetic number, because the mean of its divisors is an integer number (20205809).

Almost surely, 2220525542 is an apocalyptic number.

220525542 is an abundant number, since it is smaller than the sum of its proper divisors (264413874).

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

220525542 is a wasteful number, since it uses less digits than its factorization.

220525542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182932 (or 182929 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 220525542 is about 14850.1024238892. The cubic root of 220525542 is about 604.1613880242.

The spelling of 220525542 in words is "two hundred twenty million, five hundred twenty-five thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 67 134 201 402 603 1206 182857 365714 548571 1097142 1645713 3291426 12251419 24502838 36754257 73508514 110262771 220525542