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10109445 = 352272969
BaseRepresentation
bin100110100100…
…001000000101
3201000121112220
4212210020011
510042000240
61000402553
7151633413
oct46441005
921017486
1010109445
115785415
123476459
13212c628
1414b22b3
15d4a5d0
hex9a4205

10109445 has 16 divisors (see below), whose sum is σ = 16251840. Its totient is φ = 5366144.

The previous prime is 10109431. The next prime is 10109453. The reversal of 10109445 is 54490101.

10109445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10109445 - 25 = 10109413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1921 + ... + 4889.

It is an arithmetic number, because the mean of its divisors is an integer number (1015740).

Almost surely, 210109445 is an apocalyptic number.

10109445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10109445 is a deficient number, since it is larger than the sum of its proper divisors (6142395).

10109445 is a wasteful number, since it uses less digits than its factorization.

10109445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 10109445 is about 3179.5353434110. The cubic root of 10109445 is about 216.2265926305.

Adding to 10109445 its reverse (54490101), we get a palindrome (64599546).

The spelling of 10109445 in words is "ten million, one hundred nine thousand, four hundred forty-five".

Divisors: 1 3 5 15 227 681 1135 2969 3405 8907 14845 44535 673963 2021889 3369815 10109445