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30016725 = 3522317401
BaseRepresentation
bin111001010000…
…0010011010101
32002111000012120
41302200103111
530141013400
62551210153
7513065214
oct162402325
962430176
1030016725
1115a42012
12a076959
1362ac79b
143db507b
15297dca0
hex1ca04d5

30016725 has 24 divisors (see below), whose sum is σ = 51788352. Its totient is φ = 15312000.

The previous prime is 30016717. The next prime is 30016733. The reversal of 30016725 is 52761003.

It is an interprime number because it is at equal distance from previous prime (30016717) and next prime (30016733).

It is not a de Polignac number, because 30016725 - 23 = 30016717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30016695 and 30016704.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6976 + ... + 10425.

It is an arithmetic number, because the mean of its divisors is an integer number (2157848).

Almost surely, 230016725 is an apocalyptic number.

It is an amenable number.

30016725 is a deficient number, since it is larger than the sum of its proper divisors (21771627).

30016725 is a wasteful number, since it uses less digits than its factorization.

30016725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17437 (or 17432 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 30016725 is about 5478.7521389455. The cubic root of 30016725 is about 310.7809826056.

Adding to 30016725 its reverse (52761003), we get a palindrome (82777728).

The spelling of 30016725 in words is "thirty million, sixteen thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 23 25 69 75 115 345 575 1725 17401 52203 87005 261015 400223 435025 1200669 1305075 2001115 6003345 10005575 30016725