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245241725 = 5289110221
BaseRepresentation
bin11101001111000…
…01011101111101
3122002110120101212
432213201131331
51000240213400
640200214205
76035343311
oct1647413575
9562416355
10245241725
11116483813
126a16a365
133ba67961
14247dbb41
15167e4335
hexe9e177d

245241725 has 12 divisors (see below), whose sum is σ = 307519380. Its totient is φ = 193987200.

The previous prime is 245241707. The next prime is 245241727. The reversal of 245241725 is 527142542.

It can be written as a sum of positive squares in 6 ways, for example, as 58400164 + 186841561 = 7642^2 + 13669^2 .

It is not a de Polignac number, because 245241725 - 216 = 245176189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245241691 and 245241700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245241727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52886 + ... + 57335.

It is an arithmetic number, because the mean of its divisors is an integer number (25626615).

Almost surely, 2245241725 is an apocalyptic number.

245241725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245241725 is a deficient number, since it is larger than the sum of its proper divisors (62277655).

245241725 is a wasteful number, since it uses less digits than its factorization.

245241725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110320 (or 110315 counting only the distinct ones).

The product of its digits is 22400, while the sum is 32.

The square root of 245241725 is about 15660.1955607202. The cubic root of 245241725 is about 625.9381962890.

The spelling of 245241725 in words is "two hundred forty-five million, two hundred forty-one thousand, seven hundred twenty-five".

Divisors: 1 5 25 89 445 2225 110221 551105 2755525 9809669 49048345 245241725