Base | Representation |
---|---|
bin | 100100100110001… |
… | …0101110111010110 |
3 | 10011120122102222110 |
4 | 1021030111313112 |
5 | 10003330101204 |
6 | 321503411450 |
7 | 42300406311 |
oct | 11114256726 |
9 | 3146572873 |
10 | 1227972054 |
11 | 580181641 |
12 | 2a32b3b86 |
13 | 1675393aa |
14 | b9131978 |
15 | 72c13889 |
hex | 49315dd6 |
1227972054 has 8 divisors (see below), whose sum is σ = 2455944120. Its totient is φ = 409324016.
The previous prime is 1227972049. The next prime is 1227972107. The reversal of 1227972054 is 4502797221.
It is a sphenic number, since it is the product of 3 distinct primes.
1227972054 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102330999 + ... + 102331010.
It is an arithmetic number, because the mean of its divisors is an integer number (306993015).
Almost surely, 21227972054 is an apocalyptic number.
1227972054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1227972054 is a wasteful number, since it uses less digits than its factorization.
1227972054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204662014.
The product of its (nonzero) digits is 70560, while the sum is 39.
The square root of 1227972054 is about 35042.4321929857. The cubic root of 1227972054 is about 1070.8521043057.
The spelling of 1227972054 in words is "one billion, two hundred twenty-seven million, nine hundred seventy-two thousand, fifty-four".
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