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1075047139 = 17297130713
BaseRepresentation
bin100000000010011…
…1110101011100011
32202220220001102201
41000010332223203
54200203002024
6254401554031
735432515135
oct10004765343
92686801381
101075047139
11501921911
12260045917
1314195508a
14a2ac5055
15645a7744
hex4013eae3

1075047139 has 16 divisors (see below), whose sum is σ = 1194160320. Its totient is φ = 963128320.

The previous prime is 1075047133. The next prime is 1075047199. The reversal of 1075047139 is 9317405701.

It is a cyclic number.

It is not a de Polignac number, because 1075047139 - 25 = 1075047107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1075047098 and 1075047107.

It is not an unprimeable number, because it can be changed into a prime (1075047133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19647 + ... + 50359.

It is an arithmetic number, because the mean of its divisors is an integer number (74635020).

Almost surely, 21075047139 is an apocalyptic number.

1075047139 is a deficient number, since it is larger than the sum of its proper divisors (119113181).

1075047139 is a wasteful number, since it uses less digits than its factorization.

1075047139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30830.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1075047139 is about 32787.9114766403. The cubic root of 1075047139 is about 1024.4147804302.

The spelling of 1075047139 in words is "one billion, seventy-five million, forty-seven thousand, one hundred thirty-nine".

Divisors: 1 17 29 71 493 1207 2059 30713 35003 522121 890677 2180623 15141509 37070591 63238067 1075047139