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231058841 = 13311513797
BaseRepresentation
bin11011100010110…
…10110110011001
3121002210000010212
431301122312121
5433122340331
634532220505
75503652636
oct1561326631
9532700125
10231058841
11109476a22
126546a735
1338b40210
142298918d
1515441d2b
hexdc5ad99

231058841 has 16 divisors (see below), whose sum is σ = 258628608. Its totient is φ = 204984000.

The previous prime is 231058837. The next prime is 231058843. The reversal of 231058841 is 148850132.

It is not a de Polignac number, because 231058841 - 22 = 231058837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231058798 and 231058807.

It is not an unprimeable number, because it can be changed into a prime (231058843) 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, 58955 + ... + 62751.

It is an arithmetic number, because the mean of its divisors is an integer number (16164288).

Almost surely, 2231058841 is an apocalyptic number.

It is an amenable number.

231058841 is a deficient number, since it is larger than the sum of its proper divisors (27569767).

231058841 is a wasteful number, since it uses less digits than its factorization.

231058841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 231058841 is about 15200.6197571020. The cubic root of 231058841 is about 613.6313371137.

The spelling of 231058841 in words is "two hundred thirty-one million, fifty-eight thousand, eight hundred forty-one".

Divisors: 1 13 31 151 403 1963 3797 4681 49361 60853 117707 573347 1530191 7453511 17773757 231058841