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72256026 = 2312042671
BaseRepresentation
bin1000100111010…
…00101000011010
312000221222122010
410103220220122
5121444143101
611100410350
71535110653
oct423505032
9160858563
1072256026
1137872027
12202469b6
1311c7b65b
14984c52a
1565242d6
hex44e8a1a

72256026 has 8 divisors (see below), whose sum is σ = 144512064. Its totient is φ = 24085340.

The previous prime is 72256021. The next prime is 72256033. The reversal of 72256026 is 62065227.

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

72256026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 72255984 and 72256002.

It is not an unprimeable number, because it can be changed into a prime (72256021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6021330 + ... + 6021341.

It is an arithmetic number, because the mean of its divisors is an integer number (18064008).

Almost surely, 272256026 is an apocalyptic number.

72256026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72256026 is a wasteful number, since it uses less digits than its factorization.

72256026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12042676.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 72256026 is about 8500.3544631974. The cubic root of 72256026 is about 416.5092882622.

The spelling of 72256026 in words is "seventy-two million, two hundred fifty-six thousand, twenty-six".

Divisors: 1 2 3 6 12042671 24085342 36128013 72256026