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1444742672 = 24194752443
BaseRepresentation
bin101011000011101…
…0000011000010000
310201200112112100212
41112013100120100
510424323231142
6355205503252
750542052522
oct12607203020
93650475325
101444742672
1168157960a
12343a11b28
131a0415c29
14d9c3ba12
1586c81d82
hex561d0610

1444742672 has 20 divisors (see below), whose sum is σ = 2946515280. Its totient is φ = 684351648.

The previous prime is 1444742669. The next prime is 1444742687. The reversal of 1444742672 is 2762474441.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 2375918 + ... + 2376525.

It is an arithmetic number, because the mean of its divisors is an integer number (147325764).

Almost surely, 21444742672 is an apocalyptic number.

It is an amenable number.

1444742672 is an abundant number, since it is smaller than the sum of its proper divisors (1501772608).

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

1444742672 is a wasteful number, since it uses less digits than its factorization.

1444742672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752470 (or 4752464 counting only the distinct ones).

The product of its digits is 301056, while the sum is 41.

The square root of 1444742672 is about 38009.7707438495. The cubic root of 1444742672 is about 1130.4816053461.

The spelling of 1444742672 in words is "one billion, four hundred forty-four million, seven hundred forty-two thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 4752443 9504886 19009772 38019544 76039088 90296417 180592834 361185668 722371336 1444742672