Search a number
-
+
244404121 = 1317265053
BaseRepresentation
bin11101001000101…
…00111110011001
3122000220000102111
432210110332121
51000031412441
640130232321
76025254313
oct1644247631
9560800374
10244404121
11115a61485
1269a256a1
133b833630
14246607b3
15166cb081
hexe914f99

244404121 has 12 divisors (see below), whose sum is σ = 279602092. Its totient is φ = 212329728.

The previous prime is 244404109. The next prime is 244404133. The reversal of 244404121 is 121404442.

It is an interprime number because it is at equal distance from previous prime (244404109) and next prime (244404133).

It can be written as a sum of positive squares in 6 ways, for example, as 9211225 + 235192896 = 3035^2 + 15336^2 .

It is not a de Polignac number, because 244404121 - 29 = 244403609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244404092 and 244404101.

It is not an unprimeable number, because it can be changed into a prime (244404101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28770 + ... + 36283.

Almost surely, 2244404121 is an apocalyptic number.

It is an amenable number.

244404121 is a deficient number, since it is larger than the sum of its proper divisors (35197971).

244404121 is a wasteful number, since it uses less digits than its factorization.

244404121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65100 (or 65083 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 244404121 is about 15633.4295981400. The cubic root of 244404121 is about 625.2247690765.

Adding to 244404121 its reverse (121404442), we get a palindrome (365808563).

It can be divided in two parts, 24440 and 4121, that added together give a 4-th power (28561 = 134).

The spelling of 244404121 in words is "two hundred forty-four million, four hundred four thousand, one hundred twenty-one".

Divisors: 1 13 17 221 289 3757 65053 845689 1105901 14376713 18800317 244404121