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82189354 = 2133161129
BaseRepresentation
bin1001110011000…
…01110000101010
312201122122121011
410321201300222
5132020024404
612053334134
72015412052
oct471416052
9181578534
1082189354
1142437095
122363734a
1314048a70
14acb6562
157337604
hex4e61c2a

82189354 has 8 divisors (see below), whose sum is σ = 132767460. Its totient is φ = 37933536.

The previous prime is 82189319. The next prime is 82189357. The reversal of 82189354 is 45398128.

It can be written as a sum of positive squares in 2 ways, for example, as 82174225 + 15129 = 9065^2 + 123^2 .

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 (82189357) 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, 1580539 + ... + 1580590.

Almost surely, 282189354 is an apocalyptic number.

82189354 is a deficient number, since it is larger than the sum of its proper divisors (50578106).

82189354 is a wasteful number, since it uses less digits than its factorization.

82189354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161144.

The product of its digits is 69120, while the sum is 40.

The square root of 82189354 is about 9065.8344348438. The cubic root of 82189354 is about 434.7823000169.

The spelling of 82189354 in words is "eighty-two million, one hundred eighty-nine thousand, three hundred fifty-four".

Divisors: 1 2 13 26 3161129 6322258 41094677 82189354