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30472441 is a prime number
BaseRepresentation
bin111010000111…
…1100011111001
32010100011022221
41310033203321
530300104231
63005044041
7520003636
oct164174371
963304287
1030472441
111622343a
12a256621
13640c03c
14409318d
152a1dd11
hex1d0f8f9

30472441 has 2 divisors, whose sum is σ = 30472442. Its totient is φ = 30472440.

The previous prime is 30472427. The next prime is 30472457. The reversal of 30472441 is 14427403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22610025 + 7862416 = 4755^2 + 2804^2 .

It is a cyclic number.

It is not a de Polignac number, because 30472441 - 29 = 30471929 is a prime.

It is not a weakly prime, because it can be changed into another prime (30442441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15236220 + 15236221.

It is an arithmetic number, because the mean of its divisors is an integer number (15236221).

Almost surely, 230472441 is an apocalyptic number.

It is an amenable number.

30472441 is a deficient number, since it is larger than the sum of its proper divisors (1).

30472441 is an equidigital number, since it uses as much as digits as its factorization.

30472441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 30472441 is about 5520.1848700927. The cubic root of 30472441 is about 312.3458559259.

Adding to 30472441 its reverse (14427403), we get a palindrome (44899844).

The spelling of 30472441 in words is "thirty million, four hundred seventy-two thousand, four hundred forty-one".