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354230061 = 3236418009
BaseRepresentation
bin10101000111010…
…001111100101101
3220200112202021220
4111013101330231
51211140330221
655052213553
711530622463
oct2507217455
9820482256
10354230061
11171a54319
129a76a2b9
13585076b3
143508c833
15211720c6
hex151d1f2d

354230061 has 16 divisors (see below), whose sum is σ = 493672320. Its totient is φ = 225505280.

The previous prime is 354230033. The next prime is 354230069. The reversal of 354230061 is 160032453.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 354230061 - 211 = 354228013 is a prime.

It is a super-3 number, since 3×3542300613 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354230069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40225 + ... + 48233.

It is an arithmetic number, because the mean of its divisors is an integer number (30854520).

Almost surely, 2354230061 is an apocalyptic number.

It is an amenable number.

354230061 is a deficient number, since it is larger than the sum of its proper divisors (139442259).

354230061 is a wasteful number, since it uses less digits than its factorization.

354230061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 354230061 is about 18821.0005313214. Note that the first 3 decimals coincide. The cubic root of 354230061 is about 707.5576072993.

The spelling of 354230061 in words is "three hundred fifty-four million, two hundred thirty thousand, sixty-one".

Divisors: 1 3 23 69 641 1923 8009 14743 24027 44229 184207 552621 5133769 15401307 118076687 354230061