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72239026 = 2191901027
BaseRepresentation
bin1000100111001…
…00011110110010
312000221010022111
410103210132302
5121443122101
611100155534
71535010256
oct423443662
9160833274
1072239026
1137860282
1220238baa
1311c739b2
149846266
15651e251
hex44e47b2

72239026 has 8 divisors (see below), whose sum is σ = 114061680. Its totient is φ = 34218468.

The previous prime is 72238993. The next prime is 72239039. The reversal of 72239026 is 62093227.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950476 + ... + 950551.

It is an arithmetic number, because the mean of its divisors is an integer number (14257710).

Almost surely, 272239026 is an apocalyptic number.

72239026 is a deficient number, since it is larger than the sum of its proper divisors (41822654).

72239026 is a wasteful number, since it uses less digits than its factorization.

72239026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901048.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 72239026 is about 8499.3544460741. The cubic root of 72239026 is about 416.4766210293.

The spelling of 72239026 in words is "seventy-two million, two hundred thirty-nine thousand, twenty-six".

Divisors: 1 2 19 38 1901027 3802054 36119513 72239026