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224121401 = 734792269
BaseRepresentation
bin11010101101111…
…01001000111001
3120121201112202122
431112331020321
5424333341101
634123411025
75361000110
oct1526751071
9517645678
10224121401
111055687a9
1263083a75
133758161a
1421aa0c77
1514a2151b
hexd5bd239

224121401 has 8 divisors (see below), whose sum is σ = 256879680. Its totient is φ = 191548368.

The previous prime is 224121389. The next prime is 224121409. The reversal of 224121401 is 104121422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224121401 - 218 = 223859257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 224121401.

It is not an unprimeable number, because it can be changed into a prime (224121409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43706 + ... + 48563.

It is an arithmetic number, because the mean of its divisors is an integer number (32109960).

Almost surely, 2224121401 is an apocalyptic number.

It is an amenable number.

224121401 is a deficient number, since it is larger than the sum of its proper divisors (32758279).

224121401 is an equidigital number, since it uses as much as digits as its factorization.

224121401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92623.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 224121401 is about 14970.6847204796. The cubic root of 224121401 is about 607.4274903156.

Adding to 224121401 its reverse (104121422), we get a palindrome (328242823).

The spelling of 224121401 in words is "two hundred twenty-four million, one hundred twenty-one thousand, four hundred one".

Divisors: 1 7 347 2429 92269 645883 32017343 224121401