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25520482 = 2137511307
BaseRepresentation
bin110000101011…
…0100101100010
31210000120112001
41201112211202
523013123412
62310554214
7426630511
oct141264542
953016461
1025520482
1113450a09
12866896a
1353970a0
143564678
152391957
hex1856962

25520482 has 16 divisors (see below), whose sum is σ = 41311872. Its totient is φ = 11754000.

The previous prime is 25520479. The next prime is 25520489. The reversal of 25520482 is 28402552.

It is a self number, because there is not a number n which added to its sum of digits gives 25520482.

It is not an unprimeable number, because it can be changed into a prime (25520489) 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 7 ways as a sum of consecutive naturals, for example, 18873 + ... + 20179.

It is an arithmetic number, because the mean of its divisors is an integer number (2581992).

Almost surely, 225520482 is an apocalyptic number.

25520482 is a deficient number, since it is larger than the sum of its proper divisors (15791390).

25520482 is a wasteful number, since it uses less digits than its factorization.

25520482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 25520482 is about 5051.7800823076. The cubic root of 25520482 is about 294.4170504583.

The spelling of 25520482 in words is "twenty-five million, five hundred twenty thousand, four hundred eighty-two".

Divisors: 1 2 13 26 751 1307 1502 2614 9763 16991 19526 33982 981557 1963114 12760241 25520482