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4640925 = 35261879
BaseRepresentation
bin10001101101000010011101
322201210011010
4101231002131
52142002200
6243245433
754306252
oct21550235
98653133
104640925
11268a883
121679879
13c66513
1488b429
1561a150
hex46d09d

4640925 has 12 divisors (see below), whose sum is σ = 7673120. Its totient is φ = 2475120.

The previous prime is 4640869. The next prime is 4640929. The reversal of 4640925 is 5290464.

It is not a de Polignac number, because 4640925 - 212 = 4636829 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4640892 and 4640901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30865 + ... + 31014.

Almost surely, 24640925 is an apocalyptic number.

It is an amenable number.

4640925 is a deficient number, since it is larger than the sum of its proper divisors (3032195).

4640925 is a wasteful number, since it uses less digits than its factorization.

4640925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61892 (or 61887 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4640925 is about 2154.2806223888. The cubic root of 4640925 is about 166.8021010265.

It can be divided in two parts, 4640 and 925, that added together give a triangular number (5565 = T105).

The spelling of 4640925 in words is "four million, six hundred forty thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 61879 185637 309395 928185 1546975 4640925