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2525405071 = 7367109891
BaseRepresentation
bin1001011010000110…
…1001111110001111
320111222222212111011
42112201221332033
520133000430241
61054332110051
7116403406000
oct22641517617
96458885434
102525405071
111086586232
125a5905327
13313285b37
1419d5851a7
15eba98281
hex96869f8f

2525405071 has 16 divisors (see below), whose sum is σ = 2989062400. Its totient is φ = 2132305560.

The previous prime is 2525405059. The next prime is 2525405123. The reversal of 2525405071 is 1705045252.

It is not a de Polignac number, because 2525405071 - 27 = 2525404943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525405011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31965 + ... + 77926.

It is an arithmetic number, because the mean of its divisors is an integer number (186816400).

Almost surely, 22525405071 is an apocalyptic number.

2525405071 is a deficient number, since it is larger than the sum of its proper divisors (463657329).

2525405071 is an equidigital number, since it uses as much as digits as its factorization.

2525405071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109979 (or 109965 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 2525405071 is about 50253.4085510625. The cubic root of 2525405071 is about 1361.7906543704.

The spelling of 2525405071 in words is "two billion, five hundred twenty-five million, four hundred five thousand, seventy-one".

Divisors: 1 7 49 67 343 469 3283 22981 109891 769237 5384659 7362697 37692613 51538879 360772153 2525405071