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212057339 = 13103315791
BaseRepresentation
bin11001010001110…
…11110011111011
3112210000121222112
430220323303323
5413241313324
633013042535
75153312654
oct1450736373
9483017875
10212057339
11a97788aa
125b02644b
1334c19420
142024052b
151393bc0e
hexca3bcfb

212057339 has 8 divisors (see below), whose sum is σ = 228604992. Its totient is φ = 195543360.

The previous prime is 212057317. The next prime is 212057341. The reversal of 212057339 is 933750212.

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

It is a cyclic number.

It is not a de Polignac number, because 212057339 - 224 = 195280123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212057359) 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, 5534 + ... + 21324.

It is an arithmetic number, because the mean of its divisors is an integer number (28575624).

Almost surely, 2212057339 is an apocalyptic number.

212057339 is a deficient number, since it is larger than the sum of its proper divisors (16547653).

212057339 is a wasteful number, since it uses less digits than its factorization.

212057339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16837.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 212057339 is about 14562.1886747837. The cubic root of 212057339 is about 596.3269483323.

The spelling of 212057339 in words is "two hundred twelve million, fifty-seven thousand, three hundred thirty-nine".

Divisors: 1 13 1033 13429 15791 205283 16312103 212057339