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1214032217 = 10331175249
BaseRepresentation
bin100100001011100…
…1010100101011001
310010121102020010012
41020113022211121
54441243012332
6320244531305
742041050346
oct11027124531
93117366105
101214032217
11573320412
1229a6b0b35
13164698478
14b73437cd
15718ad3b2
hex485ca959

1214032217 has 4 divisors (see below), whose sum is σ = 1215208500. Its totient is φ = 1212855936.

The previous prime is 1214032163. The next prime is 1214032223. The reversal of 1214032217 is 7122304121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 602162521 + 611869696 = 24539^2 + 24736^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214032217 - 26 = 1214032153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214032192 and 1214032201.

It is not an unprimeable number, because it can be changed into a prime (1214035217) 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, 586592 + ... + 588657.

It is an arithmetic number, because the mean of its divisors is an integer number (303802125).

Almost surely, 21214032217 is an apocalyptic number.

It is an amenable number.

1214032217 is a deficient number, since it is larger than the sum of its proper divisors (1176283).

1214032217 is a wasteful number, since it uses less digits than its factorization.

1214032217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176282.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1214032217 is about 34842.9651005766. The cubic root of 1214032217 is about 1066.7845991460.

Adding to 1214032217 its reverse (7122304121), we get a palindrome (8336336338).

The spelling of 1214032217 in words is "one billion, two hundred fourteen million, thirty-two thousand, two hundred seventeen".

Divisors: 1 1033 1175249 1214032217