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213025006 = 2139766277
BaseRepresentation
bin11001011001010…
…00000011101110
3112211211210101001
430230220003232
5414013300011
633045510514
75164453105
oct1454500356
9484753331
10213025006
11aa279927
125b41243a
13351979cc
142041303c
1513a7d7c1
hexcb280ee

213025006 has 8 divisors (see below), whose sum is σ = 321836760. Its totient is φ = 105746088.

The previous prime is 213024997. The next prime is 213025013. The reversal of 213025006 is 600520312.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382861 + ... + 383416.

It is an arithmetic number, because the mean of its divisors is an integer number (40229595).

Almost surely, 2213025006 is an apocalyptic number.

213025006 is a deficient number, since it is larger than the sum of its proper divisors (108811754).

213025006 is a wasteful number, since it uses less digits than its factorization.

213025006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766418.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 213025006 is about 14595.3761856281. The cubic root of 213025006 is about 597.2326316703.

Adding to 213025006 its reverse (600520312), we get a palindrome (813545318).

The spelling of 213025006 in words is "two hundred thirteen million, twenty-five thousand, six".

Divisors: 1 2 139 278 766277 1532554 106512503 213025006