Search a number
-
+
9101025 = 335297139
BaseRepresentation
bin100010101101…
…111011100001
3122010101021000
4202231323201
54312213100
6523022213
7140233413
oct42557341
918111230
109101025
11515680a
12306a969
131b6862b
1412cc9b3
15beb900
hex8adee1

9101025 has 48 divisors (see below), whose sum is σ = 17012800. Its totient is φ = 4769280.

The previous prime is 9101023. The next prime is 9101039. The reversal of 9101025 is 5201019.

It is not a de Polignac number, because 9101025 - 21 = 9101023 is a prime.

It is an Ulam number.

9101025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9100989 and 9101007.

It is not an unprimeable number, because it can be changed into a prime (9101023) 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 47 ways as a sum of consecutive naturals, for example, 65406 + ... + 65544.

Almost surely, 29101025 is an apocalyptic number.

It is an amenable number.

9101025 is a deficient number, since it is larger than the sum of its proper divisors (7911775).

9101025 is a wasteful number, since it uses less digits than its factorization.

9101025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 9101025 is about 3016.7905131116. The cubic root of 9101025 is about 208.7837862294.

The spelling of 9101025 in words is "nine million, one hundred one thousand, twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 97 135 139 225 291 417 485 675 695 873 1251 1455 2085 2425 2619 3475 3753 4365 6255 7275 10425 13095 13483 18765 21825 31275 40449 65475 67415 93825 121347 202245 337075 364041 606735 1011225 1820205 3033675 9101025