Base | Representation |
---|---|
bin | 1001011100100… |
… | …00100101110010 |
3 | 12112002120121000 |
4 | 10232100211302 |
5 | 130241013232 |
6 | 11510142430 |
7 | 1651330056 |
oct | 456204562 |
9 | 175076530 |
10 | 79235442 |
11 | 407a9840 |
12 | 22651a16 |
13 | 135533a0 |
14 | a747c66 |
15 | 6e5227c |
hex | 4b90972 |
79235442 has 128 divisors (see below), whose sum is σ = 214179840. Its totient is φ = 21384000.
The previous prime is 79235417. The next prime is 79235447. The reversal of 79235442 is 24453297.
It is a junction number, because it is equal to n+sod(n) for n = 79235397 and 79235406.
It is not an unprimeable number, because it can be changed into a prime (79235447) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239217 + ... + 239547.
It is an arithmetic number, because the mean of its divisors is an integer number (1673280).
Almost surely, 279235442 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 79235442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107089920).
79235442 is an abundant number, since it is smaller than the sum of its proper divisors (134944398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79235442 is a wasteful number, since it uses less digits than its factorization.
79235442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397 (or 391 counting only the distinct ones).
The product of its digits is 60480, while the sum is 36.
The square root of 79235442 is about 8901.4292110874. The cubic root of 79235442 is about 429.5098832542.
The spelling of 79235442 in words is "seventy-nine million, two hundred thirty-five thousand, four hundred forty-two".
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