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1427152339 = 1975113281
BaseRepresentation
bin101010100010000…
…1001110111010011
310200110102211222001
41111010021313103
510410322333324
6353340454431
750236410664
oct12504116723
93613384861
101427152339
11672654748
12339b4a417
13199897552
14d777d36b
1585459e44
hex55109dd3

1427152339 has 4 divisors (see below), whose sum is σ = 1502265640. Its totient is φ = 1352039040.

The previous prime is 1427152333. The next prime is 1427152351. The reversal of 1427152339 is 9332517241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9332517241 = 16357254707.

It is a cyclic number.

It is not a de Polignac number, because 1427152339 - 27 = 1427152211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1427152298 and 1427152307.

It is not an unprimeable number, because it can be changed into a prime (1427152333) 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, 37556622 + ... + 37556659.

It is an arithmetic number, because the mean of its divisors is an integer number (375566410).

Almost surely, 21427152339 is an apocalyptic number.

1427152339 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1427152339 is a deficient number, since it is larger than the sum of its proper divisors (75113301).

1427152339 is an equidigital number, since it uses as much as digits as its factorization.

1427152339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75113300.

The product of its digits is 45360, while the sum is 37.

The square root of 1427152339 is about 37777.6698460876. The cubic root of 1427152339 is about 1125.8748326806.

The spelling of 1427152339 in words is "one billion, four hundred twenty-seven million, one hundred fifty-two thousand, three hundred thirty-nine".

Divisors: 1 19 75113281 1427152339