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2055278292 = 223971765703
BaseRepresentation
bin111101010000001…
…0000111011010100
312022020100221210020
41322200100323110
513202122401132
6535535425140
7101634401664
oct17240207324
95266327706
102055278292
11965173001
124943851b0
13269a60102
14156d681a4
15c068152c
hex7a810ed4

2055278292 has 24 divisors (see below), whose sum is σ = 4845091776. Its totient is φ = 678029568.

The previous prime is 2055278273. The next prime is 2055278297. The reversal of 2055278292 is 2928725502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055278297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881688 + ... + 884015.

It is an arithmetic number, because the mean of its divisors is an integer number (201878824).

Almost surely, 22055278292 is an apocalyptic number.

It is an amenable number.

2055278292 is an abundant number, since it is smaller than the sum of its proper divisors (2789813484).

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

2055278292 is a wasteful number, since it uses less digits than its factorization.

2055278292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765807 (or 1765805 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 2055278292 is about 45335.1772026977. The cubic root of 2055278292 is about 1271.4234338626.

The spelling of 2055278292 in words is "two billion, fifty-five million, two hundred seventy-eight thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 97 194 291 388 582 1164 1765703 3531406 5297109 7062812 10594218 21188436 171273191 342546382 513819573 685092764 1027639146 2055278292