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3803805625 = 5424672
BaseRepresentation
bin1110001010111001…
…0111011110111001
3100211002112100100211
43202232113132321
530242233240000
61425240431121
7163155546214
oct34256273671
910732470324
103803805625
111682170514
128a1a784a1
1348809a679
1428128277b
15173e1d7ba
hexe2b977b9

3803805625 has 15 divisors (see below), whose sum is σ = 4755163017. Its totient is φ = 3041811000.

The previous prime is 3803805623. The next prime is 3803805637. The reversal of 3803805625 is 5265083083.

It is a happy number.

The square root of 3803805625 is 61675.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 298218361 + 3505587264 = 17269^2 + 59208^2 .

It is not a de Polignac number, because 3803805625 - 21 = 3803805623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3803805623) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1540642 + ... + 1543108.

Almost surely, 23803805625 is an apocalyptic number.

3803805625 is the 61675-th square number.

3803805625 is the 30838-th centered octagonal number.

It is an amenable number.

3803805625 is a deficient number, since it is larger than the sum of its proper divisors (951357392).

3803805625 is an frugal number, since it uses more digits than its factorization.

3803805625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4954 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The cubic root of 3803805625 is about 1561.0115104656.

The spelling of 3803805625 in words is "three billion, eight hundred three million, eight hundred five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 2467 12335 61675 308375 1541875 6086089 30430445 152152225 760761125 3803805625