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1427730053 = 1975143687
BaseRepresentation
bin101010100011001…
…0110111010000101
310200111112012102212
41111012112322011
510410444330203
6353401113205
750244335201
oct12506267205
93614465385
101427730053
11672a097a2
1233a188805
13199a3a4a9
14d788db01
15855211d8
hex55196e85

1427730053 has 4 divisors (see below), whose sum is σ = 1502873760. Its totient is φ = 1352586348.

The previous prime is 1427730049. The next prime is 1427730067. The reversal of 1427730053 is 3500377241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3500377241 = 16321474707.

It is a cyclic number.

It is not a de Polignac number, because 1427730053 - 22 = 1427730049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427730653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37571825 + ... + 37571862.

It is an arithmetic number, because the mean of its divisors is an integer number (375718440).

Almost surely, 21427730053 is an apocalyptic number.

It is an amenable number.

1427730053 is a deficient number, since it is larger than the sum of its proper divisors (75143707).

1427730053 is an equidigital number, since it uses as much as digits as its factorization.

1427730053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75143706.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 1427730053 is about 37785.3153089927. The cubic root of 1427730053 is about 1126.0267309490.

The spelling of 1427730053 in words is "one billion, four hundred twenty-seven million, seven hundred thirty thousand, fifty-three".

Divisors: 1 19 75143687 1427730053