Search a number
-
+
25881348 = 22323791187
BaseRepresentation
bin110001010111…
…0101100000100
31210200220112110
41202232230010
523111200343
62322421020
7432662553
oct142565404
953626473
1025881348
1113678049
128801770
13549240c
143619d9a
152413833
hex18aeb04

25881348 has 48 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 8140704.

The previous prime is 25881341. The next prime is 25881367. The reversal of 25881348 is 84318852.

It is not an unprimeable number, because it can be changed into a prime (25881341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21211 + ... + 22397.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 225881348 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 25881348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31933440).

25881348 is an abundant number, since it is smaller than the sum of its proper divisors (37985532).

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

25881348 is a wasteful number, since it uses less digits than its factorization.

25881348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 1294 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 25881348 is about 5087.3714234367. The cubic root of 25881348 is about 295.7982707547.

The spelling of 25881348 in words is "twenty-five million, eight hundred eighty-one thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 79 92 138 158 237 276 316 474 948 1187 1817 2374 3561 3634 4748 5451 7122 7268 10902 14244 21804 27301 54602 81903 93773 109204 163806 187546 281319 327612 375092 562638 1125276 2156779 4313558 6470337 8627116 12940674 25881348