Search a number
-
+
109705253 = 719381203
BaseRepresentation
bin1101000100111…
…11100000100101
321122102121022112
412202133200211
5211041032003
614515210405
72501323250
oct642374045
9248377275
10109705253
1156a201a9
12308a6a05
1319961168
14107da097
1599703d8
hex689f825

109705253 has 8 divisors (see below), whose sum is σ = 126028608. Its totient is φ = 93544704.

The previous prime is 109705247. The next prime is 109705261. The reversal of 109705253 is 352507901.

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 109705253 - 24 = 109705237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109705223) 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, 39251 + ... + 41952.

It is an arithmetic number, because the mean of its divisors is an integer number (15753576).

Almost surely, 2109705253 is an apocalyptic number.

It is an amenable number.

109705253 is a deficient number, since it is larger than the sum of its proper divisors (16323355).

109705253 is an equidigital number, since it uses as much as digits as its factorization.

109705253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81403.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 109705253 is about 10474.0275443594. The cubic root of 109705253 is about 478.7136463430.

The spelling of 109705253 in words is "one hundred nine million, seven hundred five thousand, two hundred fifty-three".

Divisors: 1 7 193 1351 81203 568421 15672179 109705253