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213271274 = 2194954713
BaseRepresentation
bin11001011011001…
…00001011101010
3112212022022012002
430231210023222
5414044140044
633055051002
75166530066
oct1455441352
9485268162
10213271274
11aa427957
125b510a62
1335252b28
1420478aa6
1513acb74e
hexcb642ea

213271274 has 8 divisors (see below), whose sum is σ = 320076900. Its totient is φ = 106578976.

The previous prime is 213271229. The next prime is 213271277. The reversal of 213271274 is 472172312.

213271274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 211848025 + 1423249 = 14555^2 + 1193^2 .

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

It is not an unprimeable number, because it can be changed into a prime (213271277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23459 + ... + 31254.

Almost surely, 2213271274 is an apocalyptic number.

213271274 is a deficient number, since it is larger than the sum of its proper divisors (106805626).

213271274 is a wasteful number, since it uses less digits than its factorization.

213271274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56664.

The product of its digits is 4704, while the sum is 29.

The square root of 213271274 is about 14603.8102562311. The cubic root of 213271274 is about 597.4626870486.

The spelling of 213271274 in words is "two hundred thirteen million, two hundred seventy-one thousand, two hundred seventy-four".

Divisors: 1 2 1949 3898 54713 109426 106635637 213271274