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1427345049 = 313137267143
BaseRepresentation
bin101010100010011…
…1000111010011001
310200110210122022110
41111010320322121
510410400020144
6353344542533
750241142554
oct12504707231
93613718273
101427345049
11672776509
1233a021a49
13199934190
14d77cd69b
15854970b9
hex55138e99

1427345049 has 16 divisors (see below), whose sum is σ = 2064488832. Its totient is φ = 871951488.

The previous prime is 1427345027. The next prime is 1427345069. The reversal of 1427345049 is 9405437241.

It is not a de Polignac number, because 1427345049 - 224 = 1410567833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1427344998 and 1427345016.

It is not an unprimeable number, because it can be changed into a prime (1427345069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128229 + ... + 138914.

It is an arithmetic number, because the mean of its divisors is an integer number (129030552).

Almost surely, 21427345049 is an apocalyptic number.

It is an amenable number.

1427345049 is a deficient number, since it is larger than the sum of its proper divisors (637143783).

1427345049 is a wasteful number, since it uses less digits than its factorization.

1427345049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267296.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 1427345049 is about 37780.2203408080. The cubic root of 1427345049 is about 1125.9255064520.

The spelling of 1427345049 in words is "one billion, four hundred twenty-seven million, three hundred forty-five thousand, forty-nine".

Divisors: 1 3 13 39 137 411 1781 5343 267143 801429 3472859 10418577 36598591 109795773 475781683 1427345049