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30141441 = 3211304459
BaseRepresentation
bin111001011111…
…0110000000001
32002201100021200
41302332300001
530204011231
62554011413
7514124631
oct162766001
962640250
1030141441
1116017790
12a116b69
136324495
1440086c1
1529a5be6
hex1cbec01

30141441 has 12 divisors (see below), whose sum is σ = 47495760. Its totient is φ = 18267480.

The previous prime is 30141407. The next prime is 30141457. The reversal of 30141441 is 14414103.

It is not a de Polignac number, because 30141441 - 211 = 30139393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30141401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152131 + ... + 152328.

It is an arithmetic number, because the mean of its divisors is an integer number (3957980).

Almost surely, 230141441 is an apocalyptic number.

It is an amenable number.

30141441 is a deficient number, since it is larger than the sum of its proper divisors (17354319).

30141441 is a wasteful number, since it uses less digits than its factorization.

30141441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304476 (or 304473 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 30141441 is about 5490.1221297891. The cubic root of 30141441 is about 311.2108074713.

Adding to 30141441 its reverse (14414103), we get a palindrome (44555544).

The spelling of 30141441 in words is "thirty million, one hundred forty-one thousand, four hundred forty-one".

Divisors: 1 3 9 11 33 99 304459 913377 2740131 3349049 10047147 30141441