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1427194080 = 253451343197
BaseRepresentation
bin101010100010001…
…0100000011100000
310200110111222020000
41111010110003200
510410330202310
6353341420000
750236643454
oct12504240340
93613458200
101427194080
11672683044
12339b6a600
131998b0550
14d7790664
15854674c0
hex551140e0

1427194080 has 480 divisors, whose sum is σ = 5578572384. Its totient is φ = 341397504.

The previous prime is 1427194079. The next prime is 1427194103. The reversal of 1427194080 is 804917241.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7244542 + ... + 7244738.

Almost surely, 21427194080 is an apocalyptic number.

1427194080 is a gapful number since it is divisible by the number (10) 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 1427194080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2789286192).

1427194080 is an abundant number, since it is smaller than the sum of its proper divisors (4151378304).

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

1427194080 is a wasteful number, since it uses less digits than its factorization.

1427194080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1427194080 is about 37778.2222980383. Note that the first 4 decimals coincide. The cubic root of 1427194080 is about 1125.8858090102.

The spelling of 1427194080 in words is "one billion, four hundred twenty-seven million, one hundred ninety-four thousand, eighty".