Search a number
-
+
1494211473 = 321011643797
BaseRepresentation
bin101100100001111…
…1101101110010001
310212010121210210200
41121003331232101
511030004231343
6404134045413
752012405446
oct13103755621
93763553720
101494211473
116a7497217
123584a9869
131aa746601
141026379cd
158b2a44d3
hex590fdb91

1494211473 has 12 divisors (see below), whose sum is σ = 2179676148. Its totient is φ = 986277600.

The previous prime is 1494211469. The next prime is 1494211493. The reversal of 1494211473 is 3741124941.

1494211473 is a `hidden beast` number, since 1 + 494 + 21 + 147 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 619412544 + 874798929 = 24888^2 + 29577^2 .

It is not a de Polignac number, because 1494211473 - 22 = 1494211469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1494211423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820990 + ... + 822807.

It is an arithmetic number, because the mean of its divisors is an integer number (181639679).

Almost surely, 21494211473 is an apocalyptic number.

It is an amenable number.

1494211473 is a deficient number, since it is larger than the sum of its proper divisors (685464675).

1494211473 is a wasteful number, since it uses less digits than its factorization.

1494211473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643904 (or 1643901 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1494211473 is about 38655.0316647135. The cubic root of 1494211473 is about 1143.2398534034.

The spelling of 1494211473 in words is "one billion, four hundred ninety-four million, two hundred eleven thousand, four hundred seventy-three".

Divisors: 1 3 9 101 303 909 1643797 4931391 14794173 166023497 498070491 1494211473