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213046105 = 5318091699
BaseRepresentation
bin11001011001011…
…01001101011001
3112211212212022111
430230231031121
5414014433410
633050152321
75164601446
oct1454551531
9484785274
10213046105
11aa293768
125b4226a1
13351a44ac
142041a9cd
1513a84b8a
hexcb2d359

213046105 has 16 divisors (see below), whose sum is σ = 264384000. Its totient is φ = 164638080.

The previous prime is 213046103. The next prime is 213046147. The reversal of 213046105 is 501640312.

It is not a de Polignac number, because 213046105 - 21 = 213046103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213046103) 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, 124546 + ... + 126244.

It is an arithmetic number, because the mean of its divisors is an integer number (16524000).

Almost surely, 2213046105 is an apocalyptic number.

It is an amenable number.

213046105 is a deficient number, since it is larger than the sum of its proper divisors (51337895).

213046105 is a wasteful number, since it uses less digits than its factorization.

213046105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 213046105 is about 14596.0989651345. The cubic root of 213046105 is about 597.2523485971.

Adding to 213046105 its reverse (501640312), we get a palindrome (714686417).

The spelling of 213046105 in words is "two hundred thirteen million, forty-six thousand, one hundred five".

Divisors: 1 5 31 155 809 1699 4045 8495 25079 52669 125395 263345 1374491 6872455 42609221 213046105