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213379682 = 2172369169
BaseRepresentation
bin11001011011111…
…10101001100010
3112212111210220012
430231332221202
5414111122212
633101244522
75200461125
oct1455765142
9485453805
10213379682
11aa4a134a
125b563742
1335290289
14204a63bc
1513aed922
hexcb7ea62

213379682 has 12 divisors (see below), whose sum is σ = 340005570. Its totient is φ = 100413696.

The previous prime is 213379627. The next prime is 213379687. The reversal of 213379682 is 286973312.

It can be written as a sum of positive squares in 3 ways, for example, as 205091041 + 8288641 = 14321^2 + 2879^2 .

It is a super-2 number, since 2×2133796822 = 91061777380842248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213379687) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184007 + ... + 185162.

Almost surely, 2213379682 is an apocalyptic number.

213379682 is a deficient number, since it is larger than the sum of its proper divisors (126625888).

213379682 is a wasteful number, since it uses less digits than its factorization.

213379682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369205 (or 369188 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 213379682 is about 14607.5214187760. The cubic root of 213379682 is about 597.5639020606.

The spelling of 213379682 in words is "two hundred thirteen million, three hundred seventy-nine thousand, six hundred eighty-two".

Divisors: 1 2 17 34 289 578 369169 738338 6275873 12551746 106689841 213379682