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58385497 = 1729118429
BaseRepresentation
bin1101111010111…
…0010001011001
311001212021211211
43132232101121
5104421313442
65443223121
71306161052
oct336562131
9131767754
1058385497
112aa58985
1217677aa1
13c133141
147a7b729
1551d4617
hex37ae459

58385497 has 8 divisors (see below), whose sum is σ = 63952200. Its totient is φ = 53055744.

The previous prime is 58385491. The next prime is 58385507. The reversal of 58385497 is 79458385.

It can be written as a sum of positive squares in 4 ways, for example, as 10830681 + 47554816 = 3291^2 + 6896^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-58385497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 58385497.

It is not an unprimeable number, because it can be changed into a prime (58385491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58722 + ... + 59707.

It is an arithmetic number, because the mean of its divisors is an integer number (7994025).

Almost surely, 258385497 is an apocalyptic number.

It is an amenable number.

58385497 is a deficient number, since it is larger than the sum of its proper divisors (5566703).

58385497 is a wasteful number, since it uses less digits than its factorization.

58385497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118475.

The product of its digits is 1209600, while the sum is 49.

The square root of 58385497 is about 7641.0403087538. The cubic root of 58385497 is about 387.9433637706.

The spelling of 58385497 in words is "fifty-eight million, three hundred eighty-five thousand, four hundred ninety-seven".

Divisors: 1 17 29 493 118429 2013293 3434441 58385497