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2285171420 = 2257193592393
BaseRepresentation
bin1000100000110100…
…1111001011011100
312220020221201212112
42020031033023130
514140000441140
61014431053152
7110425431230
oct21015171334
95806851775
102285171420
11a72a13124
125393711b8
132a558284c
141796cc5c0
15d5942c65
hex8834f2dc

2285171420 has 96 divisors (see below), whose sum is σ = 5791564800. Its totient is φ = 739874304.

The previous prime is 2285171323. The next prime is 2285171453. The reversal of 2285171420 is 241715822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 953744 + ... + 956136.

It is an arithmetic number, because the mean of its divisors is an integer number (60328800).

Almost surely, 22285171420 is an apocalyptic number.

2285171420 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 2285171420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2895782400).

2285171420 is an abundant number, since it is smaller than the sum of its proper divisors (3506393380).

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

2285171420 is a wasteful number, since it uses less digits than its factorization.

2285171420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787 (or 2785 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2285171420 is about 47803.4666106968. The cubic root of 2285171420 is about 1317.1632184349.

The spelling of 2285171420 in words is "two billion, two hundred eighty-five million, one hundred seventy-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 359 380 532 665 718 1330 1436 1795 2393 2513 2660 3590 4786 5026 6821 7180 9572 10052 11965 12565 13642 16751 23930 25130 27284 33502 34105 45467 47747 47860 50260 67004 68210 83755 90934 95494 136420 167510 181868 190988 227335 238735 318269 335020 454670 477470 636538 859087 909340 954940 1273076 1591345 1718174 3182690 3436348 4295435 6013609 6365380 8590870 12027218 16322653 17181740 24054436 30068045 32645306 60136090 65290612 81613265 114258571 120272180 163226530 228517142 326453060 457034284 571292855 1142585710 2285171420