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1075003831 = 111923223633
BaseRepresentation
bin100000000010011…
…0100000110110111
32202220210212000201
41000010310012313
54200200110311
6254401021331
735432244646
oct10004640667
92686725021
101075003831
115018a2320
12260024847
1314193b455
14a2ab335d
15645999c1
hex401341b7

1075003831 has 16 divisors (see below), whose sum is σ = 1288131840. Its totient is φ = 885582720.

The previous prime is 1075003817. The next prime is 1075003837. The reversal of 1075003831 is 1383005701.

It is not a de Polignac number, because 1075003831 - 27 = 1075003703 is a prime.

It is a super-2 number, since 2×10750038312 = 2311266473329353122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1075003831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075003837) 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, 107010 + ... + 116623.

It is an arithmetic number, because the mean of its divisors is an integer number (80508240).

Almost surely, 21075003831 is an apocalyptic number.

1075003831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1075003831 is a deficient number, since it is larger than the sum of its proper divisors (213128009).

1075003831 is a wasteful number, since it uses less digits than its factorization.

1075003831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223686.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1075003831 is about 32787.2510436602. The cubic root of 1075003831 is about 1024.4010241494.

The spelling of 1075003831 in words is "one billion, seventy-five million, three thousand, eight hundred thirty-one".

Divisors: 1 11 19 23 209 253 437 4807 223633 2459963 4249027 5143559 46739297 56579149 97727621 1075003831