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58438939 = 134495303
BaseRepresentation
bin1101111011101…
…1010100011011
311001222000011011
43132323110123
5104430021224
65444314351
71306502626
oct336732433
9131860134
1058438939
112aa95049
12176a29b7
13c151570
147a92dbd
1551e5394
hex37bb51b

58438939 has 4 divisors (see below), whose sum is σ = 62934256. Its totient is φ = 53943624.

The previous prime is 58438931. The next prime is 58438943. The reversal of 58438939 is 93983485.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 58438939 - 23 = 58438931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 58438892 and 58438901.

It is not an unprimeable number, because it can be changed into a prime (58438931) 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, 2247639 + ... + 2247664.

It is an arithmetic number, because the mean of its divisors is an integer number (15733564).

Almost surely, 258438939 is an apocalyptic number.

58438939 is a deficient number, since it is larger than the sum of its proper divisors (4495317).

58438939 is a wasteful number, since it uses less digits than its factorization.

58438939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495316.

The product of its digits is 933120, while the sum is 49.

The square root of 58438939 is about 7644.5365457953. The cubic root of 58438939 is about 388.0616930810.

The spelling of 58438939 in words is "fifty-eight million, four hundred thirty-eight thousand, nine hundred thirty-nine".

Divisors: 1 13 4495303 58438939