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1260484992 = 273213174951
BaseRepresentation
bin100101100100001…
…0111100110000000
310020211211021100100
41023020113212000
510040141004432
6325024322400
743143642234
oct11310274600
93224737310
101260484992
11597569038
122b2173400
131711b1110
14bd5965c4
15759d707c
hex4b217980

1260484992 has 192 divisors, whose sum is σ = 4136801760. Its totient is φ = 364953600.

The previous prime is 1260484991. The next prime is 1260484999. The reversal of 1260484992 is 2994840621.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260484991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252117 + ... + 257067.

Almost surely, 21260484992 is an apocalyptic number.

1260484992 is a gapful number since it is divisible by the number (12) 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 1260484992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2068400880).

1260484992 is an abundant number, since it is smaller than the sum of its proper divisors (2876316768).

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

1260484992 is a wasteful number, since it uses less digits than its factorization.

1260484992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001 (or 4986 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1260484992 is about 35503.3095922056. The cubic root of 1260484992 is about 1080.2208601808.

The spelling of 1260484992 in words is "one billion, two hundred sixty million, four hundred eighty-four thousand, nine hundred ninety-two".