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244420201 = 1031237071
BaseRepresentation
bin11101001000110…
…00111001101001
3122000220211111001
432210120321221
51000032421301
640130435001
76025352224
oct1644307151
9560824431
10244420201
11115a72573
1269a32a61
133b83aa4c
14246665bb
15166d0c01
hexe918e69

244420201 has 4 divisors (see below), whose sum is σ = 244658304. Its totient is φ = 244182100.

The previous prime is 244420181. The next prime is 244420247. The reversal of 244420201 is 102024442.

244420201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 244420201 - 215 = 244387433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244420601) 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, 117505 + ... + 119566.

It is an arithmetic number, because the mean of its divisors is an integer number (61164576).

Almost surely, 2244420201 is an apocalyptic number.

It is an amenable number.

244420201 is a deficient number, since it is larger than the sum of its proper divisors (238103).

244420201 is a wasteful number, since it uses less digits than its factorization.

244420201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238102.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 244420201 is about 15633.9438722288. The cubic root of 244420201 is about 625.2384805117.

Adding to 244420201 its reverse (102024442), we get a palindrome (346444643).

The spelling of 244420201 in words is "two hundred forty-four million, four hundred twenty thousand, two hundred one".

Divisors: 1 1031 237071 244420201