Search a number
-
+
123270245 = 573522007
BaseRepresentation
bin1110101100011…
…11010001100101
322120221202222122
413112033101211
5223024121440
620122035325
73024531320
oct726172145
9276852878
10123270245
116364583a
1235348b45
131c700597
141252b7b7
15ac4e7b5
hex758f465

123270245 has 8 divisors (see below), whose sum is σ = 169056384. Its totient is φ = 84528144.

The previous prime is 123270241. The next prime is 123270253. The reversal of 123270245 is 542072321.

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 123270245 - 22 = 123270241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123270241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1760969 + ... + 1761038.

It is an arithmetic number, because the mean of its divisors is an integer number (21132048).

Almost surely, 2123270245 is an apocalyptic number.

It is an amenable number.

123270245 is a deficient number, since it is larger than the sum of its proper divisors (45786139).

123270245 is an equidigital number, since it uses as much as digits as its factorization.

123270245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522019.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 123270245 is about 11102.7134070911. The cubic root of 123270245 is about 497.6829390434.

The spelling of 123270245 in words is "one hundred twenty-three million, two hundred seventy thousand, two hundred forty-five".

Divisors: 1 5 7 35 3522007 17610035 24654049 123270245