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245341625 = 5310119433
BaseRepresentation
bin11101001111110…
…01110110111001
3122002122122102212
432213321312321
51000301413000
640202304505
76036240464
oct1647716671
9562578385
10245341625
11116541881
126a1b8135
133baa1279
14248262db
1516813c35
hexe9f9db9

245341625 has 16 divisors (see below), whose sum is σ = 309233808. Its totient is φ = 194320000.

The previous prime is 245341597. The next prime is 245341639. The reversal of 245341625 is 526143542.

It can be written as a sum of positive squares in 8 ways, for example, as 68690944 + 176650681 = 8288^2 + 13291^2 .

It is a de Polignac number, because none of the positive numbers 2k-245341625 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245341591 and 245341600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2909 + ... + 22341.

It is an arithmetic number, because the mean of its divisors is an integer number (19327113).

Almost surely, 2245341625 is an apocalyptic number.

245341625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245341625 is a deficient number, since it is larger than the sum of its proper divisors (63892183).

245341625 is a wasteful number, since it uses less digits than its factorization.

245341625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19549 (or 19539 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 245341625 is about 15663.3848513021. The cubic root of 245341625 is about 626.0231773921.

The spelling of 245341625 in words is "two hundred forty-five million, three hundred forty-one thousand, six hundred twenty-five".

Divisors: 1 5 25 101 125 505 2525 12625 19433 97165 485825 1962733 2429125 9813665 49068325 245341625