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25055070 = 2351018269
BaseRepresentation
bin101111110010…
…0111101011110
31202010221002120
41133210331132
522403230240
62253003410
7422651565
oct137447536
952127076
1025055070
1113163277
128483566
1352632b1
143482bdc
1522edad0
hex17e4f5e

25055070 has 32 divisors (see below), whose sum is σ = 60734880. Its totient is φ = 6614400.

The previous prime is 25055033. The next prime is 25055077. The reversal of 25055070 is 7055052.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25055070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25055077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105 + ... + 7164.

It is an arithmetic number, because the mean of its divisors is an integer number (1897965).

Almost surely, 225055070 is an apocalyptic number.

25055070 is an abundant number, since it is smaller than the sum of its proper divisors (35679810).

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

25055070 is a wasteful number, since it uses less digits than its factorization.

25055070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380.

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 25055070 is about 5005.5039706307. The cubic root of 25055070 is about 292.6163172420.

The spelling of 25055070 in words is "twenty-five million, fifty-five thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 101 202 303 505 606 1010 1515 3030 8269 16538 24807 41345 49614 82690 124035 248070 835169 1670338 2505507 4175845 5011014 8351690 12527535 25055070