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1052401005 = 3452598521
BaseRepresentation
bin111110101110100…
…101110101101101
32201100021111210000
4332232211311231
54123403313010
6252232334513
735036155335
oct7656456555
92640244700
101052401005
114a00644a7
12254544439
1313a0563b6
149daac0c5
15625d27c0
hex3eba5d6d

1052401005 has 20 divisors (see below), whose sum is σ = 1886526972. Its totient is φ = 561280320.

The previous prime is 1052401003. The next prime is 1052401061. The reversal of 1052401005 is 5001042501.

It can be written as a sum of positive squares in 2 ways, for example, as 166564836 + 885836169 = 12906^2 + 29763^2 .

It is not a de Polignac number, because 1052401005 - 21 = 1052401003 is a prime.

It is a super-2 number, since 2×10524010052 = 2215095750650020050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052401003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1298856 + ... + 1299665.

Almost surely, 21052401005 is an apocalyptic number.

1052401005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1052401005 is a deficient number, since it is larger than the sum of its proper divisors (834125967).

1052401005 is an equidigital number, since it uses as much as digits as its factorization.

1052401005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598538 (or 2598529 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1052401005 is about 32440.7306483686. The cubic root of 1052401005 is about 1017.1704885558.

Adding to 1052401005 its reverse (5001042501), we get a palindrome (6053443506).

The spelling of 1052401005 in words is "one billion, fifty-two million, four hundred one thousand, five".

Divisors: 1 3 5 9 15 27 45 81 135 405 2598521 7795563 12992605 23386689 38977815 70160067 116933445 210480201 350800335 1052401005