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1072163405 = 5337163611
BaseRepresentation
bin111111111001111…
…110101001001101
32202201110112200202
4333321332221031
54143433212110
6254220103245
735366144555
oct7771765115
92681415622
101072163405
11500232265
1225b094b25
13141185621
14a2574165
15641d80a5
hex3fe7ea4d

1072163405 has 8 divisors (see below), whose sum is σ = 1286997984. Its totient is φ = 857462800.

The previous prime is 1072163401. The next prime is 1072163459. The reversal of 1072163405 is 5043612701.

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

It is not a de Polignac number, because 1072163405 - 22 = 1072163401 is a prime.

It is a super-2 number, since 2×10721634052 = 2299068734042388050, 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 (1072163401) 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, 14951 + ... + 48660.

It is an arithmetic number, because the mean of its divisors is an integer number (160874748).

Almost surely, 21072163405 is an apocalyptic number.

It is an amenable number.

1072163405 is a deficient number, since it is larger than the sum of its proper divisors (214834579).

1072163405 is an equidigital number, since it uses as much as digits as its factorization.

1072163405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66987.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1072163405 is about 32743.9063796609. The cubic root of 1072163405 is about 1023.4979880439.

The spelling of 1072163405 in words is "one billion, seventy-two million, one hundred sixty-three thousand, four hundred five".

Divisors: 1 5 3371 16855 63611 318055 214432681 1072163405