Base | Representation |
---|---|
bin | 100100001100100… |
… | …1100010010100010 |
3 | 10010122102012212222 |
4 | 1020121030102202 |
5 | 4441412012430 |
6 | 320304151042 |
7 | 42045422300 |
oct | 11031142242 |
9 | 3118365788 |
10 | 1214563490 |
11 | 573653588 |
12 | 29a908482 |
13 | 16482322a |
14 | b7441270 |
15 | 719659e5 |
hex | 4864c4a2 |
1214563490 has 48 divisors (see below), whose sum is σ = 2552486904. Its totient is φ = 414892800.
The previous prime is 1214563463. The next prime is 1214563547. The reversal of 1214563490 is 943654121.
It can be written as a sum of positive squares in 4 ways, for example, as 1104166441 + 110397049 = 33229^2 + 10507^2 .
It is a Harshad number since it is a multiple of its sum of digits (35).
It is an alternating number because its digits alternate between odd and even.
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 1214563490.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133280 + ... + 142100.
Almost surely, 21214563490 is an apocalyptic number.
1214563490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1214563490 is an abundant number, since it is smaller than the sum of its proper divisors (1337923414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214563490 is a wasteful number, since it uses less digits than its factorization.
1214563490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9123 (or 9116 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 1214563490 is about 34850.5880868602. The cubic root of 1214563490 is about 1066.9401884278.
The spelling of 1214563490 in words is "one billion, two hundred fourteen million, five hundred sixty-three thousand, four hundred ninety".
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