Search a number
-
+
613452025 = 52312832797
BaseRepresentation
bin100100100100001…
…000100011111001
31120202022120222101
4210210020203321
52224020431100
6140512223401
721126153604
oct4444104371
91522276871
10613452025
1129530664a
1215153ab61
139a128784
145b68933b
1538cc886a
hex249088f9

613452025 has 24 divisors (see below), whose sum is σ = 788274944. Its totient is φ = 473083200.

The previous prime is 613452013. The next prime is 613452043. The reversal of 613452025 is 520254316.

It is a de Polignac number, because none of the positive numbers 2k-613452025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 613451984 and 613452002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217927 + ... + 220723.

Almost surely, 2613452025 is an apocalyptic number.

It is an amenable number.

613452025 is a deficient number, since it is larger than the sum of its proper divisors (174822919).

613452025 is a wasteful number, since it uses less digits than its factorization.

613452025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121 (or 3116 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 613452025 is about 24767.9636829514. The cubic root of 613452025 is about 849.6894020894.

The spelling of 613452025 in words is "six hundred thirteen million, four hundred fifty-two thousand, twenty-five".

Divisors: 1 5 25 31 155 283 775 1415 2797 7075 8773 13985 43865 69925 86707 219325 433535 791551 2167675 3957755 19788775 24538081 122690405 613452025