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1353725 = 52173313
BaseRepresentation
bin101001010011111111101
32112202221222
411022133331
5321304400
645003125
714335502
oct5123775
92482858
101353725
1184508a
125534a5
13385229
142734a9
151bb185
hex14a7fd

1353725 has 12 divisors (see below), whose sum is σ = 1693716. Its totient is φ = 1073280.

The previous prime is 1353713. The next prime is 1353733. The reversal of 1353725 is 5273531.

It can be written as a sum of positive squares in 6 ways, for example, as 85849 + 1267876 = 293^2 + 1126^2 .

It is not a de Polignac number, because 1353725 - 218 = 1091581 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1353694 and 1353703.

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, 4169 + ... + 4481.

It is an arithmetic number, because the mean of its divisors is an integer number (141143).

21353725 is an apocalyptic number.

It is an amenable number.

1353725 is a deficient number, since it is larger than the sum of its proper divisors (339991).

1353725 is a wasteful number, since it uses less digits than its factorization.

1353725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 491 counting only the distinct ones).

The product of its digits is 3150, while the sum is 26.

The square root of 1353725 is about 1163.4968843963. The cubic root of 1353725 is about 110.6225035878.

The spelling of 1353725 in words is "one million, three hundred fifty-three thousand, seven hundred twenty-five".

Divisors: 1 5 25 173 313 865 1565 4325 7825 54149 270745 1353725