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753425 = 5230137
BaseRepresentation
bin10110111111100010001
31102021111122
42313330101
5143102200
624052025
76255401
oct2677421
91367448
10753425
11475072
12304015
13204c1a
14158801
15ed385
hexb7f11

753425 has 6 divisors (see below), whose sum is σ = 934278. Its totient is φ = 602720.

The previous prime is 753421. The next prime is 753427. The reversal of 753425 is 524357.

753425 = T148 + T149 + ... + T197.

It is a Cunningham number, because it is equal to 8682+1.

It can be written as a sum of positive squares in 3 ways, for example, as 1 + 753424 = 1^2 + 868^2 .

It is not a de Polignac number, because 753425 - 22 = 753421 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 = 753394 and 753403.

It is not an unprimeable number, because it can be changed into a prime (753421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15044 + ... + 15093.

It is an arithmetic number, because the mean of its divisors is an integer number (155713).

2753425 is an apocalyptic number.

It is an amenable number.

753425 is a deficient number, since it is larger than the sum of its proper divisors (180853).

753425 is a wasteful number, since it uses less digits than its factorization.

753425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30147 (or 30142 counting only the distinct ones).

The product of its digits is 4200, while the sum is 26.

The square root of 753425 is about 868.0005760367. Note that the first 3 decimals coincide. The cubic root of 753425 is about 90.9941227134.

The spelling of 753425 in words is "seven hundred fifty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 30137 150685 753425