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58430705 = 554121601
BaseRepresentation
bin1101111011100…
…1010011110001
311001221120212012
43132321103301
5104424240310
65444212305
71306436624
oct336712361
9131846765
1058430705
112aa89943
121769a095
13c14a8a8
147a8ddbb
1551e2c05
hex37b94f1

58430705 has 8 divisors (see below), whose sum is σ = 70249704. Its totient is φ = 46656000.

The previous prime is 58430689. The next prime is 58430707. The reversal of 58430705 is 50703485.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13366336 + 45064369 = 3656^2 + 6713^2 .

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

It is not a de Polignac number, because 58430705 - 24 = 58430689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58430707) 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, 8096 + ... + 13505.

It is an arithmetic number, because the mean of its divisors is an integer number (8781213).

Almost surely, 258430705 is an apocalyptic number.

It is an amenable number.

58430705 is a deficient number, since it is larger than the sum of its proper divisors (11818999).

58430705 is a wasteful number, since it uses less digits than its factorization.

58430705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22147.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 58430705 is about 7643.9979722656. The cubic root of 58430705 is about 388.0434663636.

The spelling of 58430705 in words is "fifty-eight million, four hundred thirty thousand, seven hundred five".

Divisors: 1 5 541 2705 21601 108005 11686141 58430705