Search a number
-
+
2525070444 = 223134129629
BaseRepresentation
bin1001011010000001…
…1000010001101100
320111222100212110120
42112200120101230
520132404223234
61054321004540
7116400513261
oct22640302154
96458325416
102525070444
111086377886
125a5783750
13313199730
1419d4d9268
15eba2e049
hex9681846c

2525070444 has 72 divisors (see below), whose sum is σ = 6504256080. Its totient is φ = 757916160.

The previous prime is 2525070421. The next prime is 2525070487. The reversal of 2525070444 is 4440705252.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257422 + ... + 267050.

It is an arithmetic number, because the mean of its divisors is an integer number (90336890).

Almost surely, 22525070444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525070444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3252128040).

2525070444 is an abundant number, since it is smaller than the sum of its proper divisors (3979185636).

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

2525070444 is a wasteful number, since it uses less digits than its factorization.

2525070444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9731 (or 9688 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 2525070444 is about 50250.0790447139. The cubic root of 2525070444 is about 1361.7305040134.

Adding to 2525070444 its reverse (4440705252), we get a palindrome (6965775696).

The spelling of 2525070444 in words is "two billion, five hundred twenty-five million, seventy thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 41 52 78 82 123 156 164 246 492 533 1066 1599 1681 2132 3198 3362 5043 6396 6724 9629 10086 19258 20172 21853 28887 38516 43706 57774 65559 87412 115548 125177 131118 250354 262236 375531 394789 500708 751062 789578 1184367 1502124 1579156 2368734 4737468 5132257 10264514 15396771 16186349 20529028 30793542 32372698 48559047 61587084 64745396 97118094 194236188 210422537 420845074 631267611 841690148 1262535222 2525070444