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25380478 = 2113112303
BaseRepresentation
bin110000011010…
…0011001111110
31202202110110201
41200310121332
522444133403
62303554114
7425505364
oct140643176
952673421
1025380478
1113365802
1285bb93a
135348446
143529634
15236521d
hex183467e

25380478 has 8 divisors (see below), whose sum is σ = 38407968. Its totient is φ = 12577824.

The previous prime is 25380461. The next prime is 25380479. The reversal of 25380478 is 87408352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25380479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55926 + ... + 56377.

It is an arithmetic number, because the mean of its divisors is an integer number (4800996).

Almost surely, 225380478 is an apocalyptic number.

25380478 is a deficient number, since it is larger than the sum of its proper divisors (13027490).

25380478 is a wasteful number, since it uses less digits than its factorization.

25380478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112418.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 25380478 is about 5037.9041277103. The cubic root of 25380478 is about 293.8776775289.

The spelling of 25380478 in words is "twenty-five million, three hundred eighty thousand, four hundred seventy-eight".

Divisors: 1 2 113 226 112303 224606 12690239 25380478