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72663468 = 22312314919
BaseRepresentation
bin1000101010011…
…00000110101100
312001201200112120
410111030012230
5122100212333
611113232540
71541425563
oct425140654
9161650476
1072663468
1138020159
1220402750
1312091c47
149916bda
1565a4db3
hex454c1ac

72663468 has 24 divisors (see below), whose sum is σ = 169720320. Its totient is φ = 24196560.

The previous prime is 72663401. The next prime is 72663499. The reversal of 72663468 is 86436627.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12313 + ... + 17231.

It is an arithmetic number, because the mean of its divisors is an integer number (7071680).

Almost surely, 272663468 is an apocalyptic number.

It is an amenable number.

72663468 is an abundant number, since it is smaller than the sum of its proper divisors (97056852).

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

72663468 is a wasteful number, since it uses less digits than its factorization.

72663468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157 (or 6155 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 72663468 is about 8524.2869496516. The cubic root of 72663468 is about 417.2907012652.

The spelling of 72663468 in words is "seventy-two million, six hundred sixty-three thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 1231 2462 3693 4919 4924 7386 9838 14757 14772 19676 29514 59028 6055289 12110578 18165867 24221156 36331734 72663468