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5445313531 = 71922154853
BaseRepresentation
bin1010001001001000…
…01110001111111011
3112001111022120212221
411010210032033323
542123000013111
62300155544511
7251640254440
oct50444161773
915044276787
105445313531
112344812719
12107b75b137
1368a1a7418
1439929d9c7
1521d0bb371
hex14490e3fb

5445313531 has 12 divisors (see below), whose sum is σ = 6567994992. Its totient is φ = 4421756304.

The previous prime is 5445313507. The next prime is 5445313553. The reversal of 5445313531 is 1353135445.

It is not a de Polignac number, because 5445313531 - 211 = 5445311483 is a prime.

It is a super-2 number, since 2×54453135312 = 59302878901783375922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5445313331) 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, 1074900 + ... + 1079953.

It is an arithmetic number, because the mean of its divisors is an integer number (547332916).

Almost surely, 25445313531 is an apocalyptic number.

5445313531 is a deficient number, since it is larger than the sum of its proper divisors (1122681461).

5445313531 is a wasteful number, since it uses less digits than its factorization.

5445313531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154898 (or 2154879 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 5445313531 is about 73792.3677015449. The cubic root of 5445313531 is about 1759.3042974998.

Adding to 5445313531 its reverse (1353135445), we get a palindrome (6798448976).

The spelling of 5445313531 in words is "five billion, four hundred forty-five million, three hundred thirteen thousand, five hundred thirty-one".

Divisors: 1 7 19 133 361 2527 2154853 15083971 40942207 286595449 777901933 5445313531