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72871882 = 2103353747
BaseRepresentation
bin1000101011111…
…10111111001010
312002010021102121
410111332333022
5122123400012
611121521454
71543254316
oct425767712
9162107377
1072871882
11381527a6
12204a328a
1312135a75
14996cb46
1565e6a07
hex457efca

72871882 has 8 divisors (see below), whose sum is σ = 110369376. Its totient is φ = 36082092.

The previous prime is 72871879. The next prime is 72871913. The reversal of 72871882 is 28817827.

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

It is a super-2 number, since 2×728718822 = 10620622372443848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176668 + ... + 177079.

It is an arithmetic number, because the mean of its divisors is an integer number (13796172).

Almost surely, 272871882 is an apocalyptic number.

72871882 is a deficient number, since it is larger than the sum of its proper divisors (37497494).

72871882 is a wasteful number, since it uses less digits than its factorization.

72871882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353852.

The product of its digits is 100352, while the sum is 43.

The square root of 72871882 is about 8536.5029139572. The cubic root of 72871882 is about 417.6892793963.

The spelling of 72871882 in words is "seventy-two million, eight hundred seventy-one thousand, eight hundred eighty-two".

Divisors: 1 2 103 206 353747 707494 36435941 72871882