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480000025 = 52291574217
BaseRepresentation
bin11100100111000…
…011100000011001
31020110012112020201
4130213003200121
51440340000100
6115344022201
714615634661
oct3447034031
91213175221
10480000025
11226a4713a
12114901961
13785a19ab
1447a6b1a1
152c21736a
hex1c9c3819

480000025 has 24 divisors (see below), whose sum is σ = 619792920. Its totient is φ = 368309760.

The previous prime is 480000019. The next prime is 480000077. The reversal of 480000025 is 520000084.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 75064896 + 404935129 = 8664^2 + 20123^2 .

It is not a de Polignac number, because 480000025 - 211 = 479997977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 479999957 and 480000011.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 111717 + ... + 115933.

It is an arithmetic number, because the mean of its divisors is an integer number (25824705).

Almost surely, 2480000025 is an apocalyptic number.

It is an amenable number.

480000025 is a deficient number, since it is larger than the sum of its proper divisors (139792895).

480000025 is a wasteful number, since it uses less digits than its factorization.

480000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413 (or 4408 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 480000025 is about 21908.9028707510. The cubic root of 480000025 is about 782.9735418271.

The spelling of 480000025 in words is "four hundred eighty million, twenty-five", and thus it is an aban number.

Divisors: 1 5 25 29 145 157 725 785 3925 4217 4553 21085 22765 105425 113825 122293 611465 662069 3057325 3310345 16551725 19200001 96000005 480000025