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242500201 = 2310543487
BaseRepresentation
bin11100111010001…
…00001001101001
3121220022021201221
432131010021221
5444040001301
640021342041
76003134446
oct1635041151
9556267657
10242500201
11114980a99
1269267921
133b317b58
14242c69cd
1516451da1
hexe744269

242500201 has 4 divisors (see below), whose sum is σ = 253043712. Its totient is φ = 231956692.

The previous prime is 242500171. The next prime is 242500229. The reversal of 242500201 is 102005242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102005242 = 251002621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242500201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242500261) 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 3 ways as a sum of consecutive naturals, for example, 5271721 + ... + 5271766.

It is an arithmetic number, because the mean of its divisors is an integer number (63260928).

Almost surely, 2242500201 is an apocalyptic number.

It is an amenable number.

242500201 is a deficient number, since it is larger than the sum of its proper divisors (10543511).

242500201 is a wasteful number, since it uses less digits than its factorization.

242500201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543510.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 242500201 is about 15572.4179561172. The cubic root of 242500201 is about 623.5970245322.

Adding to 242500201 its reverse (102005242), we get a palindrome (344505443).

The spelling of 242500201 in words is "two hundred forty-two million, five hundred thousand, two hundred one".

Divisors: 1 23 10543487 242500201