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4081888930 = 257293919841
BaseRepresentation
bin1111001101001100…
…1010111010100010
3101112110210102221111
43303103022322202
531324430421210
61513013013534
7203103324550
oct36323127242
911473712844
104081888930
111805135629
1295b0242aa
135008937c2
142aa18cbd0
1518d54d88a
hexf34caea2

4081888930 has 32 divisors (see below), whose sum is σ = 8400309120. Its totient is φ = 1398958080.

The previous prime is 4081888919. The next prime is 4081888931. The reversal of 4081888930 is 398881804.

It is not an unprimeable number, because it can be changed into a prime (4081888931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195810 + ... + 215650.

It is an arithmetic number, because the mean of its divisors is an integer number (262509660).

Almost surely, 24081888930 is an apocalyptic number.

4081888930 is an abundant number, since it is smaller than the sum of its proper divisors (4318420190).

4081888930 is a wasteful number, since it uses less digits than its factorization.

4081888930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22794.

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 4081888930 is about 63889.6621528084. The cubic root of 4081888930 is about 1598.1605070703.

The spelling of 4081888930 in words is "four billion, eighty-one million, eight hundred eighty-eight thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 2939 5878 14695 19841 20573 29390 39682 41146 99205 102865 138887 198410 205730 277774 694435 1388870 58312699 116625398 291563495 408188893 583126990 816377786 2040944465 4081888930