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1427758080 = 2103573271
BaseRepresentation
bin101010100011001…
…1101110000000000
310200111120121212220
41111012131300000
510411001224310
6353401451040
750244513000
oct12506356000
93614517786
101427758080
11672a28861
1233a1a0a80
13199a4a188
14d789a000
1585529670
hex5519dc00

1427758080 has 352 divisors, whose sum is σ = 5345126400. Its totient is φ = 325140480.

The previous prime is 1427758019. The next prime is 1427758093. The reversal of 1427758080 is 808577241.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5268345 + ... + 5268615.

Almost surely, 21427758080 is an apocalyptic number.

1427758080 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 1427758080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2672563200).

1427758080 is an abundant number, since it is smaller than the sum of its proper divisors (3917368320).

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

1427758080 is an equidigital number, since it uses as much as digits as its factorization.

1427758080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 1427758080 is about 37785.6861787635. The cubic root of 1427758080 is about 1126.0340990423.

The spelling of 1427758080 in words is "one billion, four hundred twenty-seven million, seven hundred fifty-eight thousand, eighty".