Base | Representation |
---|---|
bin | 1100000101110… |
… | …00111110000001 |
3 | 21001211201100201 |
4 | 12002320332001 |
5 | 201430432204 |
6 | 14021445201 |
7 | 2341030561 |
oct | 602707601 |
9 | 231751321 |
10 | 101420929 |
11 | 52282055 |
12 | 29b70801 |
13 | 180204ac |
14 | d680da1 |
15 | 8d859a4 |
hex | 60b8f81 |
101420929 has 8 divisors (see below), whose sum is σ = 108595080. Its totient is φ = 94381056.
The previous prime is 101420927. The next prime is 101420951. The reversal of 101420929 is 929024101.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 378225 + 101042704 = 615^2 + 10052^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 101420929 - 21 = 101420927 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 101420897 and 101420906.
It is not an unprimeable number, because it can be changed into a prime (101420927) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32004 + ... + 35029.
It is an arithmetic number, because the mean of its divisors is an integer number (13574385).
Almost surely, 2101420929 is an apocalyptic number.
It is an amenable number.
101420929 is a deficient number, since it is larger than the sum of its proper divisors (7174151).
101420929 is an equidigital number, since it uses as much as digits as its factorization.
101420929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67139.
The product of its (nonzero) digits is 1296, while the sum is 28.
The square root of 101420929 is about 10070.7958473995. The cubic root of 101420929 is about 466.3470080167.
The spelling of 101420929 in words is "one hundred one million, four hundred twenty thousand, nine hundred twenty-nine".
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