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213101241 = 3373735147
BaseRepresentation
bin11001011001110…
…10101010111001
3112211222122221120
430230322222321
5414023214431
633051255453
75165221263
oct1454725271
9484878846
10213101241
11aa321131
125b44a589
13351c3612
1420432b33
1513a96196
hexcb3aab9

213101241 has 16 divisors (see below), whose sum is σ = 292653504. Its totient is φ = 137830464.

The previous prime is 213101221. The next prime is 213101257. The reversal of 213101241 is 142101312.

It is not a de Polignac number, because 213101241 - 26 = 213101177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213101241.

It is not an unprimeable number, because it can be changed into a prime (213101201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38830 + ... + 43976.

It is an arithmetic number, because the mean of its divisors is an integer number (18290844).

Almost surely, 2213101241 is an apocalyptic number.

It is an amenable number.

213101241 is a deficient number, since it is larger than the sum of its proper divisors (79552263).

213101241 is a wasteful number, since it uses less digits than its factorization.

213101241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 213101241 is about 14597.9875667847. The cubic root of 213101241 is about 597.3038668121.

Adding to 213101241 its reverse (142101312), we get a palindrome (355202553).

The spelling of 213101241 in words is "two hundred thirteen million, one hundred one thousand, two hundred forty-one".

Divisors: 1 3 37 111 373 1119 5147 13801 15441 41403 190439 571317 1919831 5759493 71033747 213101241