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2129484 = 2237101251
BaseRepresentation
bin1000000111111001001100
311000012002210
420013321030
51021120414
6113350420
724046260
oct10077114
94005083
102129484
111224a05
12868410
13597366
143d60a0
152c0e59
hex207e4c

2129484 has 48 divisors (see below), whose sum is σ = 5757696. Its totient is φ = 600000.

The previous prime is 2129473. The next prime is 2129497. The reversal of 2129484 is 4849212.

It is an Ulam number.

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, 8359 + ... + 8609.

It is an arithmetic number, because the mean of its divisors is an integer number (119952).

22129484 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 2129484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2878848).

2129484 is an abundant number, since it is smaller than the sum of its proper divisors (3628212).

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

2129484 is a wasteful number, since it uses less digits than its factorization.

2129484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 364 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 2129484 is about 1459.2751625379. The cubic root of 2129484 is about 128.6544444468.

The spelling of 2129484 in words is "two million, one hundred twenty-nine thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 101 202 251 303 404 502 606 707 753 1004 1212 1414 1506 1757 2121 2828 3012 3514 4242 5271 7028 8484 10542 21084 25351 50702 76053 101404 152106 177457 304212 354914 532371 709828 1064742 2129484