Base | Representation |
---|---|
bin | 100100001011111… |
… | …1110101000101001 |
3 | 10010121211001120111 |
4 | 1020113332220221 |
5 | 4441321323132 |
6 | 320253254321 |
7 | 42042626050 |
oct | 11027765051 |
9 | 3117731514 |
10 | 1214245417 |
11 | 573456610 |
12 | 29a7943a1 |
13 | 164741518 |
14 | b739b397 |
15 | 71901647 |
hex | 485fea29 |
1214245417 has 64 divisors (see below), whose sum is σ = 1727889408. Its totient is φ = 823680000.
The previous prime is 1214245367. The next prime is 1214245421. The reversal of 1214245417 is 7145424121.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-1214245417 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is not an unprimeable number, because it can be changed into a prime (1214242417) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 932667 + ... + 933967.
It is an arithmetic number, because the mean of its divisors is an integer number (26998272).
Almost surely, 21214245417 is an apocalyptic number.
1214245417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
1214245417 is a deficient number, since it is larger than the sum of its proper divisors (513643991).
1214245417 is a wasteful number, since it uses less digits than its factorization.
1214245417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1390.
The product of its digits is 8960, while the sum is 31.
The square root of 1214245417 is about 34846.0244073840. The cubic root of 1214245417 is about 1066.8470426191.
Adding to 1214245417 its reverse (7145424121), we get a palindrome (8359669538).
The spelling of 1214245417 in words is "one billion, two hundred fourteen million, two hundred forty-five thousand, four hundred seventeen".
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