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30141413 = 52157853
BaseRepresentation
bin111001011111…
…0101111100101
32002201100020122
41302332233211
530204011123
62554011325
7514124561
oct162765745
962640218
1030141413
1116017765
12a116b45
136324473
1440086a1
1529a5bc8
hex1cbebe5

30141413 has 4 divisors (see below), whose sum is σ = 30199788. Its totient is φ = 30083040.

The previous prime is 30141407. The next prime is 30141457. The reversal of 30141413 is 31414103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31414103 = 74487729.

It can be written as a sum of positive squares in 2 ways, for example, as 5866084 + 24275329 = 2422^2 + 4927^2 .

It is a cyclic number.

It is not a de Polignac number, because 30141413 - 28 = 30141157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30141391 and 30141400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30141403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28406 + ... + 29447.

It is an arithmetic number, because the mean of its divisors is an integer number (7549947).

Almost surely, 230141413 is an apocalyptic number.

It is an amenable number.

30141413 is a deficient number, since it is larger than the sum of its proper divisors (58375).

30141413 is an equidigital number, since it uses as much as digits as its factorization.

30141413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58374.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 30141413 is about 5490.1195797542. The cubic root of 30141413 is about 311.2107111045.

Adding to 30141413 its reverse (31414103), we get a palindrome (61555516).

It can be divided in two parts, 301 and 41413, that added together give a palindrome (41714).

The spelling of 30141413 in words is "thirty million, one hundred forty-one thousand, four hundred thirteen".

Divisors: 1 521 57853 30141413