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242203301 = 1714247253
BaseRepresentation
bin11100110111110…
…11101010100101
3121212202012110122
432123323222211
5444001001201
640011131325
76000460034
oct1633735245
9555665418
10242203301
11114798a1a
1269143b45
133b242982
142424a71b
15163e3e1b
hexe6fbaa5

242203301 has 4 divisors (see below), whose sum is σ = 256450572. Its totient is φ = 227956032.

The previous prime is 242203261. The next prime is 242203303. The reversal of 242203301 is 103302242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103302242 = 251651121.

It can be written as a sum of positive squares in 2 ways, for example, as 150062500 + 92140801 = 12250^2 + 9599^2 .

It is a cyclic number.

It is not a de Polignac number, because 242203301 - 26 = 242203237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 14247253 = 242203301 / (2 + 4 + 2 + 2 + 0 + 3 + 3 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242203301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242203303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7123610 + ... + 7123643.

It is an arithmetic number, because the mean of its divisors is an integer number (64112643).

Almost surely, 2242203301 is an apocalyptic number.

It is an amenable number.

242203301 is a deficient number, since it is larger than the sum of its proper divisors (14247271).

242203301 is a wasteful number, since it uses less digits than its factorization.

242203301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14247270.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 242203301 is about 15562.8821559504. The cubic root of 242203301 is about 623.3424246500.

Adding to 242203301 its reverse (103302242), we get a palindrome (345505543).

The spelling of 242203301 in words is "two hundred forty-two million, two hundred three thousand, three hundred one".

Divisors: 1 17 14247253 242203301