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2281603420 = 2252913130029
BaseRepresentation
bin1000011111111110…
…1000000101011100
312220000020110111101
42013333220011130
514133042302140
61014222402444
7110353211005
oct20777500534
95800213441
102281603420
11a709a6468
12538130424
132a49037c5
141790401ac
15d548a99a
hex87fe815c

2281603420 has 48 divisors (see below), whose sum is σ = 4994589600. Its totient is φ = 874415360.

The previous prime is 2281603417. The next prime is 2281603451. The reversal of 2281603420 is 243061822.

It is a congruent number.

It is an unprimeable number.

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, 60966 + ... + 90994.

It is an arithmetic number, because the mean of its divisors is an integer number (104053950).

Almost surely, 22281603420 is an apocalyptic number.

2281603420 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 2281603420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2497294800).

2281603420 is an abundant number, since it is smaller than the sum of its proper divisors (2712986180).

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

2281603420 is a wasteful number, since it uses less digits than its factorization.

2281603420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30198 (or 30196 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2281603420 is about 47766.1325627269. The cubic root of 2281603420 is about 1316.4773345948.

The spelling of 2281603420 in words is "two billion, two hundred eighty-one million, six hundred three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 131 145 262 290 524 580 655 1310 2620 3799 7598 15196 18995 30029 37990 60058 75980 120116 150145 300290 600580 870841 1741682 3483364 3933799 4354205 7867598 8708410 15735196 17416820 19668995 39337990 78675980 114080171 228160342 456320684 570400855 1140801710 2281603420