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2886420 = 223573659
BaseRepresentation
bin1011000000101100010100
312102122102110
423000230110
51214331140
6141511020
733351135
oct13005424
95378373
102886420
1116a1679
12b72470
137a0a54
14551c8c
153c0380
hex2c0b14

2886420 has 48 divisors (see below), whose sum is σ = 8205120. Its totient is φ = 758016.

The previous prime is 2886419. The next prime is 2886451. The reversal of 2886420 is 246882.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent 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, 4051 + ... + 4709.

It is an arithmetic number, because the mean of its divisors is an integer number (170940).

22886420 is an apocalyptic number.

2886420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2886420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4102560).

2886420 is an abundant number, since it is smaller than the sum of its proper divisors (5318700).

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

2886420 is a wasteful number, since it uses less digits than its factorization.

2886420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 2886420 is about 1698.9467325375. The cubic root of 2886420 is about 142.3813724950.

The spelling of 2886420 in words is "two million, eight hundred eighty-six thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73 146 219 292 365 438 659 730 876 1095 1318 1460 1977 2190 2636 3295 3954 4380 6590 7908 9885 13180 19770 39540 48107 96214 144321 192428 240535 288642 481070 577284 721605 962140 1443210 2886420