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58248121 = 232532527
BaseRepresentation
bin1101111000110…
…0101110111001
311001121022101211
43132030232321
5104402414441
65440243121
71305046411
oct336145671
9131538354
1058248121
112a974748
12176104a1
13c0b5759
147a43641
1551a8a81
hex378cbb9

58248121 has 4 divisors (see below), whose sum is σ = 60780672. Its totient is φ = 55715572.

The previous prime is 58248119. The next prime is 58248133. The reversal of 58248121 is 12184285.

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.

It is a cyclic number.

It is not a de Polignac number, because 58248121 - 21 = 58248119 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58248161) 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, 1266241 + ... + 1266286.

It is an arithmetic number, because the mean of its divisors is an integer number (15195168).

Almost surely, 258248121 is an apocalyptic number.

58248121 is the 4080-th centered heptagonal number.

It is an amenable number.

58248121 is a deficient number, since it is larger than the sum of its proper divisors (2532551).

58248121 is a wasteful number, since it uses less digits than its factorization.

58248121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532550.

The product of its digits is 5120, while the sum is 31.

The square root of 58248121 is about 7632.0456628613. The cubic root of 58248121 is about 387.6388591487.

The spelling of 58248121 in words is "fifty-eight million, two hundred forty-eight thousand, one hundred twenty-one".

Divisors: 1 23 2532527 58248121