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30231411 = 375632557
BaseRepresentation
bin111001101010…
…0101101110011
32002212220200220
41303110231303
530214401121
62555544123
7514651140
oct163245563
962786626
1030231411
1116079341
12a15b043
136356412
14402d3c7
1529c26c6
hex1cd4b73

30231411 has 16 divisors (see below), whose sum is σ = 46166784. Its totient is φ = 17237664.

The previous prime is 30231403. The next prime is 30231433. The reversal of 30231411 is 11413203.

It is not a de Polignac number, because 30231411 - 23 = 30231403 is a prime.

It is a super-2 number, since 2×302314112 = 1827876422101842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30231401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10545 + ... + 13101.

It is an arithmetic number, because the mean of its divisors is an integer number (2885424).

Almost surely, 230231411 is an apocalyptic number.

30231411 is a deficient number, since it is larger than the sum of its proper divisors (15935373).

30231411 is a wasteful number, since it uses less digits than its factorization.

30231411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 30231411 is about 5498.3098312118. The cubic root of 30231411 is about 311.5201470668.

Adding to 30231411 its reverse (11413203), we get a palindrome (41644614).

It can be divided in two parts, 302 and 31411, that added together give a palindrome (31713).

The spelling of 30231411 in words is "thirty million, two hundred thirty-one thousand, four hundred eleven".

Divisors: 1 3 7 21 563 1689 2557 3941 7671 11823 17899 53697 1439591 4318773 10077137 30231411