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2858506229 is a prime number
BaseRepresentation
bin1010101001100001…
…0101011111110101
321101012210011101002
42222120111133311
521323234144404
61151351413045
7130556621255
oct25230253765
97335704332
102858506229
111237609047
12679384185
133672a3307
141d18d3965
1511ae44c1e
hexaa6157f5

2858506229 has 2 divisors, whose sum is σ = 2858506230. Its totient is φ = 2858506228.

The previous prime is 2858506219. The next prime is 2858506241. The reversal of 2858506229 is 9226058582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2858506225 + 4 = 53465^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 2858506229 - 220 = 2857457653 is a prime.

It is a super-2 number, since 2×28585062292 = 16342115722463600882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2858506219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429253114 + 1429253115.

It is an arithmetic number, because the mean of its divisors is an integer number (1429253115).

Almost surely, 22858506229 is an apocalyptic number.

It is an amenable number.

2858506229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2858506229 is an equidigital number, since it uses as much as digits as its factorization.

2858506229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 2858506229 is about 53465.0000374076. Note that the first 4 decimals coincide. The cubic root of 2858506229 is about 1419.2090796519.

The spelling of 2858506229 in words is "two billion, eight hundred fifty-eight million, five hundred six thousand, two hundred twenty-nine".