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105000731 = 1159316097
BaseRepresentation
bin1100100001000…
…10111100011011
321022120120220222
412100202330123
5203340010411
614230310255
72413330403
oct620427433
9238516828
10105000731
11542a7670
122b1b838b
13189a4a14
14dd33803
1593414db
hex6422f1b

105000731 has 8 divisors (see below), whose sum is σ = 114746544. Its totient is φ = 95288320.

The previous prime is 105000697. The next prime is 105000733. The reversal of 105000731 is 137000501.

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 105000731 - 26 = 105000667 is a prime.

It is a super-2 number, since 2×1050007312 = 22050307021068722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105000733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1526 + ... + 14571.

It is an arithmetic number, because the mean of its divisors is an integer number (14343318).

Almost surely, 2105000731 is an apocalyptic number.

105000731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105000731 is a deficient number, since it is larger than the sum of its proper divisors (9745813).

105000731 is a wasteful number, since it uses less digits than its factorization.

105000731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16701.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 105000731 is about 10246.9864350452. The cubic root of 105000731 is about 471.7704928337.

The spelling of 105000731 in words is "one hundred five million, seven hundred thirty-one", and thus it is an aban number.

Divisors: 1 11 593 6523 16097 177067 9545521 105000731