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3570725 = 52233613
BaseRepresentation
bin1101100111110000100101
320201102010002
431213300211
51403230400
6204311045
742231164
oct15476045
96642102
103570725
112019814
121242485
13980372
1468d3db
154a7ed5
hex367c25

3570725 has 12 divisors (see below), whose sum is σ = 4453956. Its totient is φ = 2839680.

The previous prime is 3570719. The next prime is 3570733. The reversal of 3570725 is 5270753.

It can be written as a sum of positive squares in 6 ways, for example, as 1359556 + 2211169 = 1166^2 + 1487^2 .

It is not a de Polignac number, because 3570725 - 216 = 3505189 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 5519 + ... + 6131.

It is an arithmetic number, because the mean of its divisors is an integer number (371163).

Almost surely, 23570725 is an apocalyptic number.

It is an amenable number.

3570725 is a deficient number, since it is larger than the sum of its proper divisors (883231).

3570725 is a wasteful number, since it uses less digits than its factorization.

3570725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 3570725 is about 1889.6362083745. The cubic root of 3570725 is about 152.8453162056.

It can be divided in two parts, 3 and 570725, that multiplied together give a triangular number (1712175 = T1850).

The spelling of 3570725 in words is "three million, five hundred seventy thousand, seven hundred twenty-five".

Divisors: 1 5 25 233 613 1165 3065 5825 15325 142829 714145 3570725