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1052431505 = 51631291327
BaseRepresentation
bin111110101110101…
…101010010010001
32201100100001121122
4332232231102101
54123410302010
6252233132025
735036343266
oct7656552221
92640301548
101052431505
114a0085404
1225455a015
1313a067248
149dab926d
15625db855
hex3ebad491

1052431505 has 8 divisors (see below), whose sum is σ = 1270666752. Its totient is φ = 836779248.

The previous prime is 1052431477. The next prime is 1052431531. The reversal of 1052431505 is 5051342501.

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

It is a cyclic number.

It is not a de Polignac number, because 1052431505 - 220 = 1051382929 is a prime.

It is a super-3 number, since 3×10524315053 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 644849 + ... + 646478.

It is an arithmetic number, because the mean of its divisors is an integer number (158833344).

Almost surely, 21052431505 is an apocalyptic number.

It is an amenable number.

1052431505 is a deficient number, since it is larger than the sum of its proper divisors (218235247).

1052431505 is a wasteful number, since it uses less digits than its factorization.

1052431505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291495.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1052431505 is about 32441.2007330185. The cubic root of 1052431505 is about 1017.1803147849.

The spelling of 1052431505 in words is "one billion, fifty-two million, four hundred thirty-one thousand, five hundred five".

Divisors: 1 5 163 815 1291327 6456635 210486301 1052431505