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213272163 = 3313709857
BaseRepresentation
bin11001011011001…
…00011001100011
3112212022100102000
430231210121203
5414044202123
633055055043
75166532506
oct1455443143
9485270360
10213272163
11aa428595
125b511483
1335253360
142047913d
1513acbb43
hexcb64663

213272163 has 32 divisors (see below), whose sum is σ = 341140800. Its totient is φ = 130906368.

The previous prime is 213272083. The next prime is 213272173. The reversal of 213272163 is 361272312.

213272163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213272163 - 217 = 213141091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (213272173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248431 + ... + 249287.

It is an arithmetic number, because the mean of its divisors is an integer number (10660650).

Almost surely, 2213272163 is an apocalyptic number.

213272163 is a deficient number, since it is larger than the sum of its proper divisors (127868637).

213272163 is a wasteful number, since it uses less digits than its factorization.

213272163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1582 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 213272163 is about 14603.8406934614. The cubic root of 213272163 is about 597.4635172020.

The spelling of 213272163 in words is "two hundred thirteen million, two hundred seventy-two thousand, one hundred sixty-three".

Divisors: 1 3 9 13 27 39 117 351 709 857 2127 2571 6381 7713 9217 11141 19143 23139 27651 33423 82953 100269 248859 300807 607613 1822839 5468517 7898969 16405551 23696907 71090721 213272163