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213020202 = 23672771913
BaseRepresentation
bin11001011001001…
…10111000101010
3112211211112210010
430230212320222
5414013121302
633045432350
75164433103
oct1454467052
9484745703
10213020202
11aa27625a
125b40b6b6
1335195775
14204113aa
1513a7c16c
hexcb26e2a

213020202 has 32 divisors (see below), whose sum is σ = 434187072. Its totient is φ = 69657984.

The previous prime is 213020161. The next prime is 213020231. The reversal of 213020202 is 202020312.

213020202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110398 + ... + 112310.

It is an arithmetic number, because the mean of its divisors is an integer number (13568346).

Almost surely, 2213020202 is an apocalyptic number.

213020202 is an abundant number, since it is smaller than the sum of its proper divisors (221166870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213020202 is a wasteful number, since it uses less digits than its factorization.

213020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 213020202 is about 14595.2116120322. The cubic root of 213020202 is about 597.2281421706.

Adding to 213020202 its reverse (202020312), we get a palindrome (415040514).

The spelling of 213020202 in words is "two hundred thirteen million, twenty thousand, two hundred two".

Divisors: 1 2 3 6 67 134 201 277 402 554 831 1662 1913 3826 5739 11478 18559 37118 55677 111354 128171 256342 384513 529901 769026 1059802 1589703 3179406 35503367 71006734 106510101 213020202