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2190375964 = 227411907993
BaseRepresentation
bin1000001010001110…
…0111110000011100
312122122120121221201
42002203213300130
513441214012324
61001203205244
7105164613520
oct20243476034
95578517851
102190375964
11a24456977
12511676824
1328ba41c6a
1416ac93d80
15cc46a444
hex828e7c1c

2190375964 has 24 divisors (see below), whose sum is σ = 4487601888. Its totient is φ = 915836160.

The previous prime is 2190375953. The next prime is 2190376079. The reversal of 2190375964 is 4695730912.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952849 + ... + 955144.

It is an arithmetic number, because the mean of its divisors is an integer number (186983412).

Almost surely, 22190375964 is an apocalyptic number.

It is an amenable number.

2190375964 is an abundant number, since it is smaller than the sum of its proper divisors (2297225924).

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

2190375964 is a wasteful number, since it uses less digits than its factorization.

2190375964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908045 (or 1908043 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 2190375964 is about 46801.4525842949. The cubic root of 2190375964 is about 1298.6921687552.

The spelling of 2190375964 in words is "two billion, one hundred ninety million, three hundred seventy-five thousand, nine hundred sixty-four".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 1907993 3815986 7631972 13355951 26711902 53423804 78227713 156455426 312910852 547593991 1095187982 2190375964