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10100745 = 325224461
BaseRepresentation
bin100110100010…
…000000001001
3201000011121200
4212202000021
510041210440
61000254413
7151566144
oct46420011
921004550
1010100745
115779926
123471409
132128695
1414ad05b
15d47c30
hex9a2009

10100745 has 12 divisors (see below), whose sum is σ = 17508036. Its totient is φ = 5387040.

The previous prime is 10100711. The next prime is 10100747. The reversal of 10100745 is 54700101.

It can be written as a sum of positive squares in 2 ways, for example, as 2350089 + 7750656 = 1533^2 + 2784^2 .

It is not a de Polignac number, because 10100745 - 27 = 10100617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10100747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112186 + ... + 112275.

It is an arithmetic number, because the mean of its divisors is an integer number (1459003).

Almost surely, 210100745 is an apocalyptic number.

10100745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10100745 is a deficient number, since it is larger than the sum of its proper divisors (7407291).

10100745 is a wasteful number, since it uses less digits than its factorization.

10100745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224472 (or 224469 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 10100745 is about 3178.1669245022. The cubic root of 10100745 is about 216.1645479701.

Adding to 10100745 its reverse (54700101), we get a palindrome (64800846).

The spelling of 10100745 in words is "ten million, one hundred thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 45 224461 673383 1122305 2020149 3366915 10100745