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2030250625 = 5413793163
BaseRepresentation
bin111100100000011…
…0010101010000001
312020111021102021121
41321000302222001
513124221010000
6533243152241
7101211563014
oct17100625201
95214242247
102030250625
11952029387
12487b15681
13264809440
141538d137b
15bd38ab1a
hex79032a81

2030250625 has 40 divisors (see below), whose sum is σ = 2767614080. Its totient is φ = 1479816000.

The previous prime is 2030250623. The next prime is 2030250631. The reversal of 2030250625 is 5260520302.

It is not a de Polignac number, because 2030250625 - 21 = 2030250623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2030250625.

It is not an unprimeable number, because it can be changed into a prime (2030250623) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 640294 + ... + 643456.

It is an arithmetic number, because the mean of its divisors is an integer number (69190352).

Almost surely, 22030250625 is an apocalyptic number.

2030250625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2030250625 is a deficient number, since it is larger than the sum of its proper divisors (737363455).

2030250625 is an equidigital number, since it uses as much as digits as its factorization.

2030250625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2030250625 is about 45058.3025090826. The cubic root of 2030250625 is about 1266.2415230257.

Adding to 2030250625 its reverse (5260520302), we get a palindrome (7290770927).

The spelling of 2030250625 in words is "two billion, thirty million, two hundred fifty thousand, six hundred twenty-five".

Divisors: 1 5 13 25 65 79 125 325 395 625 1027 1625 1975 3163 5135 8125 9875 15815 25675 41119 49375 79075 128375 205595 249877 395375 641875 1027975 1249385 1976875 3248401 5139875 6246925 16242005 25699375 31234625 81210025 156173125 406050125 2030250625