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244414421 = 1271924523
BaseRepresentation
bin11101001000101…
…11011111010101
3122000220112112222
432210113133111
51000032230141
640130352125
76025326326
oct1644273725
9560815488
10244414421
11115a69199
1269a2b645
133b838224
142466444d
15166ce14b
hexe9177d5

244414421 has 4 divisors (see below), whose sum is σ = 246339072. Its totient is φ = 242489772.

The previous prime is 244414397. The next prime is 244414427. The reversal of 244414421 is 124414442.

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: 124414442 = 262207221.

It is a cyclic number.

It is not a de Polignac number, because 244414421 - 218 = 244152277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244414427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962135 + ... + 962388.

It is an arithmetic number, because the mean of its divisors is an integer number (61584768).

Almost surely, 2244414421 is an apocalyptic number.

It is an amenable number.

244414421 is a deficient number, since it is larger than the sum of its proper divisors (1924651).

244414421 is a wasteful number, since it uses less digits than its factorization.

244414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924650.

The product of its digits is 4096, while the sum is 26.

The square root of 244414421 is about 15633.7590169479. The cubic root of 244414421 is about 625.2335519680.

Adding to 244414421 its reverse (124414442), we get a palindrome (368828863).

The spelling of 244414421 in words is "two hundred forty-four million, four hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 127 1924523 244414421