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47474308340 = 2252373715417
BaseRepresentation
bin101100001101101100…
…000111010011110100
311112112120021202000022
4230031230013103310
51234211410331330
633450455104312
73300312651134
oct541554072364
9145476252008
1047474308340
1119152011578
12924b072098
134627716614
142425112ac4
15137cc91ae5
hexb0db074f4

47474308340 has 12 divisors (see below), whose sum is σ = 99696047556. Its totient is φ = 18989723328.

The previous prime is 47474308337. The next prime is 47474308363. The reversal of 47474308340 is 4380347474.

47474308340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9889506916 + 37584801424 = 99446^2 + 193868^2 .

It is a super-2 number, since 2×474743083402 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47474308291 and 47474308300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186857689 + ... + 1186857728.

It is an arithmetic number, because the mean of its divisors is an integer number (8308003963).

Almost surely, 247474308340 is an apocalyptic number.

It is an amenable number.

47474308340 is an abundant number, since it is smaller than the sum of its proper divisors (52221739216).

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

47474308340 is a wasteful number, since it uses less digits than its factorization.

47474308340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373715426 (or 2373715424 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 44.

The spelling of 47474308340 in words is "forty-seven billion, four hundred seventy-four million, three hundred eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2373715417 4747430834 9494861668 11868577085 23737154170 47474308340