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4166988 = 2237113439
BaseRepresentation
bin1111111001010101001100
321211201000220
433321111030
52031320423
6225151340
750263440
oct17712514
97751026
104166988
1123967a1
12148b550
13b2b897
147a6820
155749e3
hex3f954c

4166988 has 48 divisors (see below), whose sum is σ = 11235840. Its totient is φ = 1177344.

The previous prime is 4166893. The next prime is 4166999. The reversal of 4166988 is 8896614.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 9273 + ... + 9711.

It is an arithmetic number, because the mean of its divisors is an integer number (234080).

Almost surely, 24166988 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 4166988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5617920).

4166988 is an abundant number, since it is smaller than the sum of its proper divisors (7068852).

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

4166988 is a wasteful number, since it uses less digits than its factorization.

4166988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 564 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 4166988 is about 2041.3201610722. The cubic root of 4166988 is about 160.9190339136.

The spelling of 4166988 in words is "four million, one hundred sixty-six thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 113 226 339 439 452 678 791 878 1317 1356 1582 1756 2373 2634 3073 3164 4746 5268 6146 9219 9492 12292 18438 36876 49607 99214 148821 198428 297642 347249 595284 694498 1041747 1388996 2083494 4166988