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5403279049 = 72105012
BaseRepresentation
bin1010000100000111…
…10111111011001001
3111221120020000102021
411002003313323021
542031214412144
62252055004441
7250620054100
oct50203677311
914846200367
105403279049
112323012583
121069669721
1368157a84c
1439387b037
15219566884
hex1420f7ec9

5403279049 has 9 divisors (see below), whose sum is σ = 6286045671. Its totient is φ = 4630941000.

The previous prime is 5403279019. The next prime is 5403279107. The reversal of 5403279049 is 9409723045.

The square root of 5403279049 is 73507.

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

It can be written as a sum of positive squares in only one way, i.e., 1591451449 + 3811827600 = 39893^2 + 61740^2 .

It is not a de Polignac number, because 5403279049 - 27 = 5403278921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5403278996 and 5403279014.

It is not an unprimeable number, because it can be changed into a prime (5403279019) 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, 509299 + ... + 519799.

It is an arithmetic number, because the mean of its divisors is an integer number (698449519).

Almost surely, 25403279049 is an apocalyptic number.

5403279049 is the 73507-th square number.

5403279049 is the 36754-th centered octagonal number.

It is an amenable number.

5403279049 is a deficient number, since it is larger than the sum of its proper divisors (882766622).

5403279049 is an frugal number, since it uses more digits than its factorization.

5403279049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21016 (or 10508 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The cubic root of 5403279049 is about 1754.7656820901.

The spelling of 5403279049 in words is "five billion, four hundred three million, two hundred seventy-nine thousand, forty-nine".

Divisors: 1 7 49 10501 73507 514549 110271001 771897007 5403279049