Search a number
-
+
1371443089 = 29212772
BaseRepresentation
bin101000110111110…
…1000111110010001
310112120121112020111
41101233220332101
510302042134324
6344030441321
745662034232
oct12157507621
93476545214
101371443089
11644164545
12323363241
1318b1905b3
14d01db089
1580603794
hex51be8f91

1371443089 has 9 divisors (see below), whose sum is σ = 1421478097. Its totient is φ = 1323115024.

The previous prime is 1371443077. The next prime is 1371443107. The reversal of 1371443089 is 9803441731.

The square root of 1371443089 is 37033.

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

It can be written as a sum of positive squares in 4 ways, for example, as 45900625 + 1325542464 = 6775^2 + 36408^2 .

It is a de Polignac number, because none of the positive numbers 2k-1371443089 is a prime.

It is a super-2 number, since 2×13714430892 = 3761712292731723842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1371443039) 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 8 ways as a sum of consecutive naturals, for example, 1073319 + ... + 1074595.

Almost surely, 21371443089 is an apocalyptic number.

1371443089 is the 37033-rd square number.

1371443089 is the 18517-th centered octagonal number.

It is an amenable number.

1371443089 is a deficient number, since it is larger than the sum of its proper divisors (50035008).

1371443089 is an frugal number, since it uses more digits than its factorization.

1371443089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The cubic root of 1371443089 is about 1111.0303689035.

The spelling of 1371443089 in words is "one billion, three hundred seventy-one million, four hundred forty-three thousand, eighty-nine".

Divisors: 1 29 841 1277 37033 1073957 1630729 47291141 1371443089