Search a number
-
+
5444521369 = 728321272
BaseRepresentation
bin1010001001000010…
…01100110110011001
3112001102211100020121
411010201030312121
542122244140434
62300130553241
7251630445100
oct50441146631
915042740217
105444521369
112344321541
12107b438821
13689c8a9a1
14399135037
1521ceb17b4
hex14484cd99

5444521369 has 27 divisors (see below), whose sum is σ = 6461523477. Its totient is φ = 4574203704.

The previous prime is 5444521367. The next prime is 5444521387. The reversal of 5444521369 is 9631254445.

The square root of 5444521369 is 73787.

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

It is not a de Polignac number, because 5444521369 - 21 = 5444521367 is a prime.

It is a super-2 number, since 2×54445213692 = 59285625874995268322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5444521363) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 42870184 + ... + 42870310.

Almost surely, 25444521369 is an apocalyptic number.

5444521369 is the 73787-th square number.

5444521369 is the 36894-th centered octagonal number.

It is an amenable number.

5444521369 is a deficient number, since it is larger than the sum of its proper divisors (1017002108).

5444521369 is an frugal number, since it uses more digits than its factorization.

5444521369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 217 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The cubic root of 5444521369 is about 1759.2189812250.

The spelling of 5444521369 in words is "five billion, four hundred forty-four million, five hundred twenty-one thousand, three hundred sixty-nine".

Divisors: 1 7 49 83 127 581 889 4067 6223 6889 10541 16129 48223 73787 112903 337561 516509 790321 874903 1338707 6124321 9370949 42870247 65596643 111112681 777788767 5444521369