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742625 = 5313457
BaseRepresentation
bin10110101010011100001
31101201200122
42311103201
5142231000
623530025
76212042
oct2652341
91351618
10742625
11467a44
122b9915
13200030
141548c9
15ea085
hexb54e1

742625 has 16 divisors (see below), whose sum is σ = 1000272. Its totient is φ = 547200.

The previous prime is 742619. The next prime is 742657. The reversal of 742625 is 526247.

742625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 234256 + 508369 = 484^2 + 713^2 .

It is not a de Polignac number, because 742625 - 28 = 742369 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 742594 and 742603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1397 + ... + 1853.

It is an arithmetic number, because the mean of its divisors is an integer number (62517).

2742625 is an apocalyptic number.

It is an amenable number.

742625 is a deficient number, since it is larger than the sum of its proper divisors (257647).

742625 is a wasteful number, since it uses less digits than its factorization.

742625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 475 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 742625 is about 861.7569262849. The cubic root of 742625 is about 90.5572422574.

The spelling of 742625 in words is "seven hundred forty-two thousand, six hundred twenty-five".

Divisors: 1 5 13 25 65 125 325 457 1625 2285 5941 11425 29705 57125 148525 742625