Base | Representation |
---|---|
bin | 1001100101101… |
… | …10000010011001 |
3 | 12121100122101000 |
4 | 10302312002121 |
5 | 131042444101 |
6 | 11552015213 |
7 | 1664464242 |
oct | 462660231 |
9 | 177318330 |
10 | 80437401 |
11 | 4144a8a0 |
12 | 22b31509 |
13 | 138844c5 |
14 | a97bcc9 |
15 | 70dd486 |
hex | 4cb6099 |
80437401 has 16 divisors (see below), whose sum is σ = 130000320. Its totient is φ = 48749760.
The previous prime is 80437397. The next prime is 80437429. The reversal of 80437401 is 10473408.
It is not a de Polignac number, because 80437401 - 22 = 80437397 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (80437451) 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, 135120 + ... + 135713.
It is an arithmetic number, because the mean of its divisors is an integer number (8125020).
Almost surely, 280437401 is an apocalyptic number.
It is an amenable number.
80437401 is a deficient number, since it is larger than the sum of its proper divisors (49562919).
80437401 is a wasteful number, since it uses less digits than its factorization.
80437401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270853 (or 270847 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 80437401 is about 8968.6900381271. The cubic root of 80437401 is about 431.6708043776.
The spelling of 80437401 in words is "eighty million, four hundred thirty-seven thousand, four hundred one".
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