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72504246 = 2312084041
BaseRepresentation
bin1000101001001…
…01001110110110
312001102121010110
410110211032312
5122030113441
611110003450
71540163433
oct424451666
9161377113
1072504246
1137a21571
1220346586
1312037629
1498b4b8a
156572b16
hex45253b6

72504246 has 8 divisors (see below), whose sum is σ = 145008504. Its totient is φ = 24168080.

The previous prime is 72504239. The next prime is 72504283. The reversal of 72504246 is 64240527.

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

72504246 is an admirable number.

It is a congruent number.

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, 6042015 + ... + 6042026.

It is an arithmetic number, because the mean of its divisors is an integer number (18126063).

Almost surely, 272504246 is an apocalyptic number.

72504246 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.

72504246 is a wasteful number, since it uses less digits than its factorization.

72504246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12084046.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 72504246 is about 8514.9425130179. The cubic root of 72504246 is about 416.9856857798.

The spelling of 72504246 in words is "seventy-two million, five hundred four thousand, two hundred forty-six".

Divisors: 1 2 3 6 12084041 24168082 36252123 72504246