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4215949842 = 2313311743569
BaseRepresentation
bin1111101101001010…
…0100101000010010
3101212211001102221110
43323102210220102
532113240343332
61534202234150
7206321660646
oct37322445022
911784042843
104215949842
111873880575
12997ab5956
135225a17a0
142bdcc8c26
1519a1d04cc
hexfb4a4a12

4215949842 has 32 divisors (see below), whose sum is σ = 9373432320. Its totient is φ = 1255368960.

The previous prime is 4215949831. The next prime is 4215949853. The reversal of 4215949842 is 2489495124.

It is an interprime number because it is at equal distance from previous prime (4215949831) and next prime (4215949853).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4215949791 and 4215949800.

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, 869367 + ... + 874202.

It is an arithmetic number, because the mean of its divisors is an integer number (292919760).

Almost surely, 24215949842 is an apocalyptic number.

4215949842 is an abundant number, since it is smaller than the sum of its proper divisors (5157482478).

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

4215949842 is a wasteful number, since it uses less digits than its factorization.

4215949842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743618.

The product of its digits is 829440, while the sum is 48.

The square root of 4215949842 is about 64930.3460794720. The cubic root of 4215949842 is about 1615.4684416570.

The spelling of 4215949842 in words is "four billion, two hundred fifteen million, nine hundred forty-nine thousand, eight hundred forty-two".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 186 403 806 1209 2418 1743569 3487138 5230707 10461414 22666397 45332794 54050639 67999191 108101278 135998382 162151917 324303834 702658307 1405316614 2107974921 4215949842