Search a number
-
+
1934680225 = 521924632
BaseRepresentation
bin111001101010000…
…1110000010100001
311222211102221100011
41303110032002201
512430234231400
6515550524521
765641340062
oct16324160241
94884387304
101934680225
11903092985
1245bb06741
1324aa86bca
14144d34569
15b4cad8ba
hex7350e0a1

1934680225 has 27 divisors (see below), whose sum is σ = 2537392563. Its totient is φ = 1463117040.

The previous prime is 1934680211. The next prime is 1934680249. The reversal of 1934680225 is 5220864391.

The square root of 1934680225 is 43985.

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

It can be written as a sum of positive squares in only one way, i.e., 696484881 + 1238195344 = 26391^2 + 35188^2 .

It is not a de Polignac number, because 1934680225 - 25 = 1934680193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4178344 + ... + 4178806.

Almost surely, 21934680225 is an apocalyptic number.

1934680225 is the 43985-th square number.

1934680225 is the 21993-rd centered octagonal number.

It is an amenable number.

1934680225 is a deficient number, since it is larger than the sum of its proper divisors (602712338).

1934680225 is an frugal number, since it uses more digits than its factorization.

1934680225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The cubic root of 1934680225 is about 1246.0526626098.

The spelling of 1934680225 in words is "one billion, nine hundred thirty-four million, six hundred eighty thousand, two hundred twenty-five".

Divisors: 1 5 19 25 95 361 463 475 1805 2315 8797 9025 11575 43985 167143 214369 219925 835715 1071845 4073011 4178575 5359225 20365055 77387209 101825275 386936045 1934680225