Base | Representation |
---|---|
bin | 1011111110100… |
… | …11001000000000 |
3 | 21000001212221112 |
4 | 11333103020000 |
5 | 201210320423 |
6 | 13545342452 |
7 | 2330030054 |
oct | 577231000 |
9 | 230055845 |
10 | 100479488 |
11 | 517997aa |
12 | 29797a28 |
13 | 17a80b25 |
14 | d4b7c64 |
15 | 8c4ba78 |
hex | 5fd3200 |
100479488 has 30 divisors (see below), whose sum is σ = 201216939. Its totient is φ = 50126336.
The previous prime is 100479481. The next prime is 100479493. The reversal of 100479488 is 884974001.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 50239744 + 50239744 = 7088^2 + 7088^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=7088.
It is a super-2 number, since 2×1004794882 = 20192255017484288, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (100479481) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 226595 + ... + 227037.
Almost surely, 2100479488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 100479488
100479488 is an abundant number, since it is smaller than the sum of its proper divisors (100737451).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100479488 is an frugal number, since it uses more digits than its factorization.
100479488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 904 (or 445 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 41.
The square root of 100479488 is about 10023.9457301005. The cubic root of 100479488 is about 464.8995628455.
The spelling of 100479488 in words is "one hundred million, four hundred seventy-nine thousand, four hundred eighty-eight".
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