Base | Representation |
---|---|
bin | 1001100101000… |
… | …01110010010110 |
3 | 12121012102120220 |
4 | 10302201302112 |
5 | 131032320304 |
6 | 11550135210 |
7 | 1664000355 |
oct | 462416226 |
9 | 177172526 |
10 | 80354454 |
11 | 413a3544 |
12 | 22ab1506 |
13 | 1385581b |
14 | a95999c |
15 | 70c3ad9 |
hex | 4ca1c96 |
80354454 has 32 divisors (see below), whose sum is σ = 165765120. Its totient is φ = 25948512.
The previous prime is 80354437. The next prime is 80354459. The reversal of 80354454 is 45445308.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80354459) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62187 + ... + 63465.
It is an arithmetic number, because the mean of its divisors is an integer number (5180160).
Almost surely, 280354454 is an apocalyptic number.
80354454 is an abundant number, since it is smaller than the sum of its proper divisors (85410666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80354454 is a wasteful number, since it uses less digits than its factorization.
80354454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1604.
The product of its (nonzero) digits is 38400, while the sum is 33.
The square root of 80354454 is about 8964.0645914674. The cubic root of 80354454 is about 431.5223737866.
It can be divided in two parts, 80354 and 454, that added together give a palindrome (80808).
The spelling of 80354454 in words is "eighty million, three hundred fifty-four thousand, four hundred fifty-four".
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