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47086340 = 2257893779
BaseRepresentation
bin1011001110011…
…1101100000100
310021121020022112
42303213230010
544023230330
64401120152
71111140650
oct263475404
9107536275
1047086340
1124640734
1213929058
1399a8152
146379a60
154201795
hex2ce7b04

47086340 has 48 divisors (see below), whose sum is σ = 114307200. Its totient is φ = 15958272.

The previous prime is 47086337. The next prime is 47086357. The reversal of 47086340 is 4368074.

It is a happy number.

47086340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47086297 and 47086306.

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 15 ways as a sum of consecutive naturals, for example, 10571 + ... + 14349.

It is an arithmetic number, because the mean of its divisors is an integer number (2381400).

Almost surely, 247086340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47086340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57153600).

47086340 is an abundant number, since it is smaller than the sum of its proper divisors (67220860).

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

47086340 is a wasteful number, since it uses less digits than its factorization.

47086340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884 (or 3882 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 47086340 is about 6861.9487028103. The cubic root of 47086340 is about 361.1034558447.

The spelling of 47086340 in words is "forty-seven million, eighty-six thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 89 140 178 356 445 623 890 1246 1780 2492 3115 3779 6230 7558 12460 15116 18895 26453 37790 52906 75580 105812 132265 264530 336331 529060 672662 1345324 1681655 2354317 3363310 4708634 6726620 9417268 11771585 23543170 47086340