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30452225 = 521218089
BaseRepresentation
bin111010000101…
…0101000000001
32010022010121012
41310022220001
530243432400
63004410305
7516560666
oct164125001
963263535
1030452225
111620a231
12a246995
136402a8b
144089a6d
152a17d35
hex1d0aa01

30452225 has 6 divisors (see below), whose sum is σ = 37760790. Its totient is φ = 24361760.

The previous prime is 30452203. The next prime is 30452293. The reversal of 30452225 is 52225403.

It can be written as a sum of positive squares in 3 ways, for example, as 1281424 + 29170801 = 1132^2 + 5401^2 .

It is not a de Polignac number, because 30452225 - 216 = 30386689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30452225.

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, 609020 + ... + 609069.

It is an arithmetic number, because the mean of its divisors is an integer number (6293465).

Almost surely, 230452225 is an apocalyptic number.

It is an amenable number.

30452225 is a deficient number, since it is larger than the sum of its proper divisors (7308565).

30452225 is a wasteful number, since it uses less digits than its factorization.

30452225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218099 (or 1218094 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 30452225 is about 5518.3534682005. The cubic root of 30452225 is about 312.2767685747.

Adding to 30452225 its reverse (52225403), we get a palindrome (82677628).

The spelling of 30452225 in words is "thirty million, four hundred fifty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 1218089 6090445 30452225