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10130445 = 3251317317
BaseRepresentation
bin100110101001…
…010000001101
3201001200100200
4212221100031
510043133240
61001044113
7152051553
oct46512015
921050320
1010130445
11579a176
123486639
132139060
1414b9bd3
15d51930
hex9a940d

10130445 has 24 divisors (see below), whose sum is σ = 18911256. Its totient is φ = 4987008.

The previous prime is 10130437. The next prime is 10130479. The reversal of 10130445 is 54403101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1004004 + 9126441 = 1002^2 + 3021^2 .

It is not a de Polignac number, because 10130445 - 23 = 10130437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8074 + ... + 9243.

It is an arithmetic number, because the mean of its divisors is an integer number (787969).

Almost surely, 210130445 is an apocalyptic number.

10130445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10130445 is a deficient number, since it is larger than the sum of its proper divisors (8780811).

10130445 is a wasteful number, since it uses less digits than its factorization.

10130445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17341 (or 17338 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10130445 is about 3182.8359995451. The cubic root of 10130445 is about 216.3762090849.

Adding to 10130445 its reverse (54403101), we get a palindrome (64533546).

The spelling of 10130445 in words is "ten million, one hundred thirty thousand, four hundred forty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 585 17317 51951 86585 155853 225121 259755 675363 779265 1125605 2026089 3376815 10130445