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47219089240 = 23523155333049
BaseRepresentation
bin101011111110011110…
…100001111101011000
311111212210001021020001
4223332132201331120
51233201041323430
633405300542344
73261063431131
oct537636417530
9144783037201
1047219089240
1119030a436a4
1291996b19b4
1345b68974bb
1423dd278c88
15136567b3ca
hexafe7a1f58

47219089240 has 64 divisors (see below), whose sum is σ = 110936952000. Its totient is φ = 18054254592.

The previous prime is 47219089219. The next prime is 47219089261. The reversal of 47219089240 is 4298091274.

It is an interprime number because it is at equal distance from previous prime (47219089219) and next prime (47219089261).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412236 + ... + 1445284.

It is an arithmetic number, because the mean of its divisors is an integer number (1733389875).

Almost surely, 247219089240 is an apocalyptic number.

47219089240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47219089240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55468476000).

47219089240 is an abundant number, since it is smaller than the sum of its proper divisors (63717862760).

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

47219089240 is a wasteful number, since it uses less digits than its factorization.

47219089240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34636 (or 34632 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 47219089240 in words is "forty-seven billion, two hundred nineteen million, eighty-nine thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 1553 3106 6212 7765 12424 15530 31060 33049 35719 62120 66098 71438 132196 142876 165245 178595 264392 285752 330490 357190 660980 714380 760127 1321960 1428760 1520254 3040508 3800635 6081016 7601270 15202540 30405080 51325097 102650194 205300388 256625485 410600776 513250970 1026501940 1180477231 2053003880 2360954462 4721908924 5902386155 9443817848 11804772310 23609544620 47219089240