Search a number
-
+
1490963769 = 326122112
BaseRepresentation
bin101100011011110…
…0100110100111001
310211220111210210100
41120313210310321
511023141320034
6403540310013
751642661101
oct13067446471
93756453710
101490963769
116a5679169
123573a2309
131a9b7a2a9
14102030201
158ad62099
hex58de4d39

1490963769 has 27 divisors (see below), whose sum is σ = 2199924207. Its totient is φ = 973047600.

The previous prime is 1490963759. The next prime is 1490963783. The reversal of 1490963769 is 9673690941.

The square root of 1490963769 is 38613.

It is a perfect power (a square), and thus also a powerful number.

1490963769 is a `hidden beast` number, since 1 + 490 + 96 + 3 + 7 + 69 = 666.

1490963769 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in only one way, i.e., 48483369 + 1442480400 = 6963^2 + 37980^2 .

It is not a de Polignac number, because 1490963769 - 25 = 1490963737 is a prime.

It is a super-2 number, since 2×14909637692 = 4445945920941370722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1490963759) 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 26 ways as a sum of consecutive naturals, for example, 7066074 + ... + 7066284.

Almost surely, 21490963769 is an apocalyptic number.

1490963769 is the 38613-rd square number.

1490963769 is the 19307-th centered octagonal number.

It is an amenable number.

1490963769 is a deficient number, since it is larger than the sum of its proper divisors (708960438).

1490963769 is an frugal number, since it uses more digits than its factorization.

1490963769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The cubic root of 1490963769 is about 1142.4109662850.

The spelling of 1490963769 in words is "one billion, four hundred ninety million, nine hundred sixty-three thousand, seven hundred sixty-nine".

Divisors: 1 3 9 61 183 211 549 633 1899 3721 11163 12871 33489 38613 44521 115839 133563 400689 785131 2355393 2715781 7066179 8147343 24442029 165662641 496987923 1490963769