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245045525 = 5243322637
BaseRepresentation
bin11101001101100…
…01100100010101
3122002002121021012
432212301210111
51000212424100
640152102005
76033565304
oct1646614425
9562077235
10245045525
1111635a36a
126a094905
133b9c956a
142478a43b
15167a6135
hexe9b1915

245045525 has 12 divisors (see below), whose sum is σ = 304571652. Its totient is φ = 195575040.

The previous prime is 245045503. The next prime is 245045539. The reversal of 245045525 is 525540542.

245045525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 53333809 + 191711716 = 7303^2 + 13846^2 .

It is a de Polignac number, because none of the positive numbers 2k-245045525 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245045491 and 245045500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494 + ... + 22143.

It is an arithmetic number, because the mean of its divisors is an integer number (25380971).

Almost surely, 2245045525 is an apocalyptic number.

245045525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245045525 is a deficient number, since it is larger than the sum of its proper divisors (59526127).

245045525 is a wasteful number, since it uses less digits than its factorization.

245045525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23080 (or 23075 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 245045525 is about 15653.9300177304. The cubic root of 245045525 is about 625.7712292705.

The spelling of 245045525 in words is "two hundred forty-five million, forty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 433 2165 10825 22637 113185 565925 9801821 49009105 245045525