Search a number
-
+
1428595943 = 5232731541
BaseRepresentation
bin101010100100110…
…1010010011100111
310200120011012012212
41111021222103213
510411210032233
6353431434035
750254602515
oct12511522347
93616135185
101428595943
11673450305
1233a52591b
13199c81658
14d7a374b5
1585642a48
hex5526a4e7

1428595943 has 4 divisors (see below), whose sum is σ = 1431328008. Its totient is φ = 1425863880.

The previous prime is 1428595913. The next prime is 1428595951. The reversal of 1428595943 is 3495958241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1428595943 - 210 = 1428594919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1428595891 and 1428595900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428595913) 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, 1365248 + ... + 1366293.

It is an arithmetic number, because the mean of its divisors is an integer number (357832002).

Almost surely, 21428595943 is an apocalyptic number.

1428595943 is a deficient number, since it is larger than the sum of its proper divisors (2732065).

1428595943 is an equidigital number, since it uses as much as digits as its factorization.

1428595943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732064.

The product of its digits is 1555200, while the sum is 50.

The square root of 1428595943 is about 37796.7715949392. The cubic root of 1428595943 is about 1126.2543225822.

The spelling of 1428595943 in words is "one billion, four hundred twenty-eight million, five hundred ninety-five thousand, nine hundred forty-three".

Divisors: 1 523 2731541 1428595943