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121470241 = 296136833
BaseRepresentation
bin1110011110101…
…11110100100001
322110120022211211
413033113310201
5222044021431
620015310121
73003323434
oct717276441
9273508754
10121470241
1162626432
123481b341
131c2201a9
14121bd81b
15a9e62b1
hex73d7d21

121470241 has 8 divisors (see below), whose sum is σ = 125882280. Its totient is φ = 117073152.

The previous prime is 121470233. The next prime is 121470247. The reversal of 121470241 is 142074121.

It can be written as a sum of positive squares in 4 ways, for example, as 3530641 + 117939600 = 1879^2 + 10860^2 .

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 121470241 - 23 = 121470233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121470247) 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, 14361 + ... + 21193.

It is an arithmetic number, because the mean of its divisors is an integer number (15735285).

Almost surely, 2121470241 is an apocalyptic number.

It is an amenable number.

121470241 is a deficient number, since it is larger than the sum of its proper divisors (4412039).

121470241 is an equidigital number, since it uses as much as digits as its factorization.

121470241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7475.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 121470241 is about 11021.3538642038. The cubic root of 121470241 is about 495.2486469735.

The spelling of 121470241 in words is "one hundred twenty-one million, four hundred seventy thousand, two hundred forty-one".

Divisors: 1 29 613 6833 17777 198157 4188629 121470241