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30100441 = 74300063
BaseRepresentation
bin111001011010…
…0101111011001
32002122021001011
41302310233121
530201203231
62553053521
7513564250
oct162645731
962567034
1030100441
1115a999a8
12a0b72a1
13630b917
143dd7797
1529989b1
hex1cb4bd9

30100441 has 4 divisors (see below), whose sum is σ = 34400512. Its totient is φ = 25800372.

The previous prime is 30100417. The next prime is 30100453. The reversal of 30100441 is 14400103.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14400103 = 48729569.

It is a cyclic number.

It is not a de Polignac number, because 30100441 - 25 = 30100409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30100471) 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, 2150025 + ... + 2150038.

It is an arithmetic number, because the mean of its divisors is an integer number (8600128).

Almost surely, 230100441 is an apocalyptic number.

It is an amenable number.

30100441 is a deficient number, since it is larger than the sum of its proper divisors (4300071).

30100441 is an equidigital number, since it uses as much as digits as its factorization.

30100441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300070.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30100441 is about 5486.3868802701. The cubic root of 30100441 is about 311.0696349139.

Adding to 30100441 its reverse (14400103), we get a palindrome (44500544).

The spelling of 30100441 in words is "thirty million, one hundred thousand, four hundred forty-one".

Divisors: 1 7 4300063 30100441