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58140018 = 2341911879
BaseRepresentation
bin1101110111001…
…0010101110010
311001101211010000
43131302111302
5104340440033
65434050430
71304116266
oct335622562
9131354100
1058140018
112a900502
1217579a16
13c0784a1
147a160a6
155186a13
hex3772572

58140018 has 40 divisors (see below), whose sum is σ = 131028480. Its totient is φ = 19268280.

The previous prime is 58140013. The next prime is 58140023. The reversal of 58140018 is 81004185.

It is an interprime number because it is at equal distance from previous prime (58140013) and next prime (58140023).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 58139973 and 58140000.

It is not an unprimeable number, because it can be changed into a prime (58140011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30003 + ... + 31881.

It is an arithmetic number, because the mean of its divisors is an integer number (3275712).

Almost surely, 258140018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58140018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65514240).

58140018 is an abundant number, since it is smaller than the sum of its proper divisors (72888462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

58140018 is a wasteful number, since it uses less digits than its factorization.

58140018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 58140018 is about 7624.9601966174. The cubic root of 58140018 is about 387.3989036303.

The spelling of 58140018 in words is "fifty-eight million, one hundred forty thousand, eighteen".

Divisors: 1 2 3 6 9 18 27 54 81 162 191 382 573 1146 1719 1879 3438 3758 5157 5637 10314 11274 15471 16911 30942 33822 50733 101466 152199 304398 358889 717778 1076667 2153334 3230001 6460002 9690003 19380006 29070009 58140018