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30540441 = 310180147
BaseRepresentation
bin111010010000…
…0001010011001
32010110121121110
41310200022121
530304243231
63010330533
7520406121
oct164401231
963417543
1030540441
111626a538
12a289a49
136433c89
1440adc81
152a34046
hex1d20299

30540441 has 4 divisors (see below), whose sum is σ = 40720592. Its totient is φ = 20360292.

The previous prime is 30540421. The next prime is 30540463. The reversal of 30540441 is 14404503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30540441 - 211 = 30538393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30540401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5090071 + ... + 5090076.

It is an arithmetic number, because the mean of its divisors is an integer number (10180148).

Almost surely, 230540441 is an apocalyptic number.

It is an amenable number.

30540441 is a deficient number, since it is larger than the sum of its proper divisors (10180151).

30540441 is a wasteful number, since it uses less digits than its factorization.

30540441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10180150.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 30540441 is about 5526.3406518238. The cubic root of 30540441 is about 312.5780191334.

Adding to 30540441 its reverse (14404503), we get a palindrome (44944944).

The spelling of 30540441 in words is "thirty million, five hundred forty thousand, four hundred forty-one".

Divisors: 1 3 10180147 30540441