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2190376884 = 2231073149
BaseRepresentation
bin1000001010001110…
…0111111110110100
312122122120200012210
42002203213332310
513441214030014
61001203213420
7105164616303
oct20243477664
95578520183
102190376884
11a24457633
12511677270
1328ba424c7
1416ac9443a
15cc46a859
hex828e7fb4

2190376884 has 48 divisors (see below), whose sum is σ = 5193720000. Its totient is φ = 718447648.

The previous prime is 2190376841. The next prime is 2190376897. The reversal of 2190376884 is 4886730912.

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, 14700442 + ... + 14700590.

It is an arithmetic number, because the mean of its divisors is an integer number (108202500).

Almost surely, 22190376884 is an apocalyptic number.

It is an amenable number.

2190376884 is an abundant number, since it is smaller than the sum of its proper divisors (3003343116).

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

2190376884 is an equidigital number, since it uses as much as digits as its factorization.

2190376884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 2190376884 is about 46801.4624130486. The cubic root of 2190376884 is about 1298.6923505804.

The spelling of 2190376884 in words is "two billion, one hundred ninety million, three hundred seventy-six thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 107 149 214 298 321 428 447 596 642 894 1284 1788 11449 15943 22898 31886 34347 45796 47829 63772 68694 95658 137388 191316 1225043 1705901 2450086 3411802 3675129 4900172 5117703 6823604 7350258 10235406 14700516 20470812 182531407 365062814 547594221 730125628 1095188442 2190376884