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58422091 = 7134011601
BaseRepresentation
bin1101111011011…
…1001101001011
311001221011001011
43132313031023
5104424001331
65444104351
71306402540
oct336671513
9131834034
1058422091
112aa83422
12176950b7
13c1469b0
147a8abc7
1551e03b1
hex37b734b

58422091 has 16 divisors (see below), whose sum is σ = 72128448. Its totient is φ = 46080000.

The previous prime is 58422083. The next prime is 58422101. The reversal of 58422091 is 19022485.

It is a 13-Lehmer number, since φ(58422091) divides (58422091-1)13.

It is a cyclic number.

It is not a de Polignac number, because 58422091 - 23 = 58422083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (58422061) 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 15 ways as a sum of consecutive naturals, for example, 35691 + ... + 37291.

It is an arithmetic number, because the mean of its divisors is an integer number (4508028).

Almost surely, 258422091 is an apocalyptic number.

58422091 is a deficient number, since it is larger than the sum of its proper divisors (13706357).

58422091 is a wasteful number, since it uses less digits than its factorization.

58422091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 58422091 is about 7643.4345028920. The cubic root of 58422091 is about 388.0243966485.

The spelling of 58422091 in words is "fifty-eight million, four hundred twenty-two thousand, ninety-one".

Divisors: 1 7 13 91 401 1601 2807 5213 11207 20813 36491 145691 642001 4494007 8346013 58422091