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25384241 = 1992641
BaseRepresentation
bin110000011010…
…1010100110001
31202202122122002
41200311110301
522444243431
62304023345
7425522351
oct140652461
952678562
1025384241
1113368613
128601b55
13534a07c
14352ab61
1523663cb
hex1835531

25384241 has 6 divisors (see below), whose sum is σ = 25552242. Its totient is φ = 25217280.

The previous prime is 25384237. The next prime is 25384243. The reversal of 25384241 is 14248352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24750625 + 633616 = 4975^2 + 796^2 .

It is not a de Polignac number, because 25384241 - 22 = 25384237 is a prime.

It is a super-2 number, since 2×253842412 = 1288719382292162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25384243) 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 5 ways as a sum of consecutive naturals, for example, 39281 + ... + 39921.

It is an arithmetic number, because the mean of its divisors is an integer number (4258707).

Almost surely, 225384241 is an apocalyptic number.

It is an amenable number.

25384241 is a deficient number, since it is larger than the sum of its proper divisors (168001).

25384241 is an frugal number, since it uses more digits than its factorization.

25384241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 840 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 25384241 is about 5038.2775826665. The cubic root of 25384241 is about 293.8922005946.

The spelling of 25384241 in words is "twenty-five million, three hundred eighty-four thousand, two hundred forty-one".

Divisors: 1 199 641 39601 127559 25384241