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25248426 = 2372157547
BaseRepresentation
bin110000001010…
…0001010101010
31202111202022220
41200110022222
522430422201
62301054510
7424415400
oct140241252
952452286
1025248426
1113285575
128557436
1353002c8
1434d3470
15233b036
hex18142aa

25248426 has 48 divisors (see below), whose sum is σ = 59223456. Its totient is φ = 7154784.

The previous prime is 25248413. The next prime is 25248427. The reversal of 25248426 is 62484252.

It is not an unprimeable number, because it can be changed into a prime (25248427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45885 + ... + 46431.

It is an arithmetic number, because the mean of its divisors is an integer number (1233822).

Almost surely, 225248426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25248426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29611728).

25248426 is an abundant number, since it is smaller than the sum of its proper divisors (33975030).

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

25248426 is a wasteful number, since it uses less digits than its factorization.

25248426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 716 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 25248426 is about 5024.7811892659. The cubic root of 25248426 is about 293.3671193292.

The spelling of 25248426 in words is "twenty-five million, two hundred forty-eight thousand, four hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 157 294 314 471 547 942 1094 1099 1641 2198 3282 3297 3829 6594 7658 7693 11487 15386 22974 23079 26803 46158 53606 80409 85879 160818 171758 257637 515274 601153 1202306 1803459 3606918 4208071 8416142 12624213 25248426