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1293625 = 5379131
BaseRepresentation
bin100111011110100111001
32102201112001
410323310321
5312344000
643421001
713665334
oct4736471
92381461
101293625
11803a13
12524761
13363a78
1425961b
151a846a
hex13bd39

1293625 has 16 divisors (see below), whose sum is σ = 1647360. Its totient is φ = 1014000.

The previous prime is 1293619. The next prime is 1293647. The reversal of 1293625 is 5263921.

It is a de Polignac number, because none of the positive numbers 2k-1293625 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1293593 and 1293602.

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 15 ways as a sum of consecutive naturals, for example, 9810 + ... + 9940.

It is an arithmetic number, because the mean of its divisors is an integer number (102960).

21293625 is an apocalyptic number.

It is an amenable number.

1293625 is a deficient number, since it is larger than the sum of its proper divisors (353735).

1293625 is an equidigital number, since it uses as much as digits as its factorization.

1293625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 215 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 1293625 is about 1137.3763669076. The cubic root of 1293625 is about 108.9605951327.

The spelling of 1293625 in words is "one million, two hundred ninety-three thousand, six hundred twenty-five".

Divisors: 1 5 25 79 125 131 395 655 1975 3275 9875 10349 16375 51745 258725 1293625