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25770070 = 252577007
BaseRepresentation
bin110001001001…
…1100001010110
31210111020220001
41202103201112
523044120240
62320201514
7432020254
oct142234126
953436801
1025770070
1113601487
12876929a
135453881
1435cb5d4
1523e089a
hex1893856

25770070 has 8 divisors (see below), whose sum is σ = 46386144. Its totient is φ = 10308024.

The previous prime is 25770013. The next prime is 25770071. The reversal of 25770070 is 7007752.

It is a happy number.

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 (25770071) 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 3 ways as a sum of consecutive naturals, for example, 1288494 + ... + 1288513.

It is an arithmetic number, because the mean of its divisors is an integer number (5798268).

Almost surely, 225770070 is an apocalyptic number.

25770070 is a deficient number, since it is larger than the sum of its proper divisors (20616074).

25770070 is a wasteful number, since it uses less digits than its factorization.

25770070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577014.

The product of its (nonzero) digits is 3430, while the sum is 28.

The square root of 25770070 is about 5076.4229532221. The cubic root of 25770070 is about 295.3737291459.

The spelling of 25770070 in words is "twenty-five million, seven hundred seventy thousand, seventy".

Divisors: 1 2 5 10 2577007 5154014 12885035 25770070