Base | Representation |
---|---|
bin | 1011111110001… |
… | …01100100011000 |
3 | 20222222001202221 |
4 | 11333011210120 |
5 | 201202031320 |
6 | 13544233424 |
7 | 2326406140 |
oct | 577054430 |
9 | 228861687 |
10 | 100423960 |
11 | 5176100a |
12 | 2976b874 |
13 | 17a61780 |
14 | d4a1920 |
15 | 8c3a3aa |
hex | 5fc5918 |
100423960 has 128 divisors (see below), whose sum is σ = 284497920. Its totient is φ = 31053312.
The previous prime is 100423943. The next prime is 100423969. The reversal of 100423960 is 69324001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100423969) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170787 + ... + 171373.
It is an arithmetic number, because the mean of its divisors is an integer number (2222640).
Almost surely, 2100423960 is an apocalyptic number.
100423960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 100423960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142248960).
100423960 is an abundant number, since it is smaller than the sum of its proper divisors (184073960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100423960 is a wasteful number, since it uses less digits than its factorization.
100423960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 665 (or 661 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 100423960 is about 10021.1755797411. The cubic root of 100423960 is about 464.8139078849.
Adding to 100423960 its reverse (69324001), we get a palindrome (169747961).
It can be divided in two parts, 1004 and 23960, that added together give a square (24964 = 1582).
The spelling of 100423960 in words is "one hundred million, four hundred twenty-three thousand, nine hundred sixty".
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