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30603325 = 521224133
BaseRepresentation
bin111010010111…
…1100000111101
32010120210212111
41310233200331
530313301300
63011534021
7521060344
oct164574075
963523774
1030603325
1116302805
12a2ba311
13645679c
1440c8b5b
152a479ba
hex1d2f83d

30603325 has 6 divisors (see below), whose sum is σ = 37948154. Its totient is φ = 24482640.

The previous prime is 30603289. The next prime is 30603347. The reversal of 30603325 is 52330603.

It can be written as a sum of positive squares in 3 ways, for example, as 2502724 + 28100601 = 1582^2 + 5301^2 .

It is a de Polignac number, because none of the positive numbers 2k-30603325 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30603296 and 30603305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 612042 + ... + 612091.

Almost surely, 230603325 is an apocalyptic number.

It is an amenable number.

30603325 is a deficient number, since it is larger than the sum of its proper divisors (7344829).

30603325 is a wasteful number, since it uses less digits than its factorization.

30603325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224143 (or 1224138 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 30603325 is about 5532.0272052838. The cubic root of 30603325 is about 312.7924089717.

Adding to 30603325 its reverse (52330603), we get a palindrome (82933928).

The spelling of 30603325 in words is "thirty million, six hundred three thousand, three hundred twenty-five".

Divisors: 1 5 25 1224133 6120665 30603325