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5448889439 = 76591181203
BaseRepresentation
bin1010001001100011…
…10111010001011111
3112001202001021002222
411010301313101133
542124403430224
62300404335555
7252012540020
oct50461672137
915052037088
105448889439
112346835314
1210809a45bb
1368ab59c46
14399950c47
1521d575b5e
hex144c7745f

5448889439 has 8 divisors (see below), whose sum is σ = 6236757120. Its totient is φ = 4663385496.

The previous prime is 5448889427. The next prime is 5448889513. The reversal of 5448889439 is 9349888445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5448889439 - 28 = 5448889183 is a prime.

It is a super-2 number, since 2×54488894392 = 59380792236891469442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5448889409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585989 + ... + 595214.

It is an arithmetic number, because the mean of its divisors is an integer number (779594640).

Almost surely, 25448889439 is an apocalyptic number.

5448889439 is a deficient number, since it is larger than the sum of its proper divisors (787867681).

5448889439 is a wasteful number, since it uses less digits than its factorization.

5448889439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181869.

The product of its digits is 39813120, while the sum is 62.

The square root of 5448889439 is about 73816.5932497565. The cubic root of 5448889439 is about 1759.6893217759.

The spelling of 5448889439 in words is "five billion, four hundred forty-eight million, eight hundred eighty-nine thousand, four hundred thirty-nine".

Divisors: 1 7 659 4613 1181203 8268421 778412777 5448889439