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2192886240 = 2535231391429
BaseRepresentation
bin1000001010110100…
…1100100111100000
312122211022011101220
42002231030213200
513442334324430
61001333055040
7105225140226
oct20255144740
95584264356
102192886240
11a25910986
12512487480
1328c41072c
1416b348b16
15cc7b4110
hex82b4c9e0

2192886240 has 192 divisors, whose sum is σ = 7264857600. Its totient is φ = 554932224.

The previous prime is 2192886229. The next prime is 2192886247. The reversal of 2192886240 is 426882912.

It is a junction number, because it is equal to n+sod(n) for n = 2192886192 and 2192886201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192886247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1533846 + ... + 1535274.

It is an arithmetic number, because the mean of its divisors is an integer number (37837800).

Almost surely, 22192886240 is an apocalyptic number.

2192886240 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 2192886240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3632428800).

2192886240 is an abundant number, since it is smaller than the sum of its proper divisors (5071971360).

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

2192886240 is a wasteful number, since it uses less digits than its factorization.

2192886240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2192886240 is about 46828.2632605567. The cubic root of 2192886240 is about 1299.1881005385.

The spelling of 2192886240 in words is "two billion, one hundred ninety-two million, eight hundred eighty-six thousand, two hundred forty".