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3970529525 = 52158821181
BaseRepresentation
bin1110110010101001…
…0111100011110101
3101020201020210120002
43230222113203311
531112423421100
61453554121045
7200251641554
oct35452274365
911221223502
103970529525
111758295666
12929880185
134b37a3771
14299481d9b
151838a32d5
hexeca978f5

3970529525 has 6 divisors (see below), whose sum is σ = 4923456642. Its totient is φ = 3176423600.

The previous prime is 3970529513. The next prime is 3970529531. The reversal of 3970529525 is 5259250793.

It can be written as a sum of positive squares in 3 ways, for example, as 31460881 + 3939068644 = 5609^2 + 62762^2 .

It is not a de Polignac number, because 3970529525 - 24 = 3970529509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3970529525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79410566 + ... + 79410615.

It is an arithmetic number, because the mean of its divisors is an integer number (820576107).

Almost surely, 23970529525 is an apocalyptic number.

It is an amenable number.

3970529525 is a deficient number, since it is larger than the sum of its proper divisors (952927117).

3970529525 is a wasteful number, since it uses less digits than its factorization.

3970529525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158821191 (or 158821186 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 47.

The square root of 3970529525 is about 63012.1379180234. The cubic root of 3970529525 is about 1583.4929832246.

The spelling of 3970529525 in words is "three billion, nine hundred seventy million, five hundred twenty-nine thousand, five hundred twenty-five".

Divisors: 1 5 25 158821181 794105905 3970529525