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25240576 = 2101572
BaseRepresentation
bin110000001001…
…0010000000000
31202111100120011
41200102100000
522430144301
62300554304
7424353454
oct140222000
952440504
1025240576
111327a689
128552994
1352c986a
1434d0664
152338a51
hex1812400

25240576 has 33 divisors (see below), whose sum is σ = 50779929. Its totient is φ = 12539904.

The previous prime is 25240573. The next prime is 25240583. The reversal of 25240576 is 67504252.

The square root of 25240576 is 5024.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7398400 + 17842176 = 2720^2 + 4224^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25240573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 160690 + ... + 160846.

Almost surely, 225240576 is an apocalyptic number.

25240576 is the 5024-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25240576

25240576 is an abundant number, since it is smaller than the sum of its proper divisors (25539353).

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

25240576 is an frugal number, since it uses more digits than its factorization.

25240576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The cubic root of 25240576 is about 293.3367125414.

The spelling of 25240576 in words is "twenty-five million, two hundred forty thousand, five hundred seventy-six".

Divisors: 1 2 4 8 16 32 64 128 157 256 314 512 628 1024 1256 2512 5024 10048 20096 24649 40192 49298 80384 98596 160768 197192 394384 788768 1577536 3155072 6310144 12620288 25240576