Search a number
-
+
201225470 = 2523898423
BaseRepresentation
bin10111111111001…
…11010011111110
3112000122022110012
423333213103332
5403003203340
631544543222
74662250115
oct1377472376
9460568405
10201225470
11a364a746
1257481b12
13328c6034
141ca20c7c
15129ec565
hexbfe74fe

201225470 has 16 divisors (see below), whose sum is σ = 362400480. Its totient is φ = 80446944.

The previous prime is 201225457. The next prime is 201225503. The reversal of 201225470 is 74522102.

It is a happy number.

201225470 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19679 + ... + 28101.

It is an arithmetic number, because the mean of its divisors is an integer number (22650030).

Almost surely, 2201225470 is an apocalyptic number.

201225470 is a deficient number, since it is larger than the sum of its proper divisors (161175010).

201225470 is a wasteful number, since it uses less digits than its factorization.

201225470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10819.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 201225470 is about 14185.3963638666. The cubic root of 201225470 is about 585.9955483515.

Adding to 201225470 its reverse (74522102), we get a palindrome (275747572).

The spelling of 201225470 in words is "two hundred one million, two hundred twenty-five thousand, four hundred seventy".

Divisors: 1 2 5 10 2389 4778 8423 11945 16846 23890 42115 84230 20122547 40245094 100612735 201225470