Base | Representation |
---|---|
bin | 1001100101111… |
… | …11000010001011 |
3 | 12121102111220211 |
4 | 10302333002023 |
5 | 131100134001 |
6 | 11552501551 |
7 | 1665006544 |
oct | 462770213 |
9 | 177374824 |
10 | 80474251 |
11 | 41475550 |
12 | 22b4a8b7 |
13 | 13898200 |
14 | a98b4cb |
15 | 70e9351 |
hex | 4cbf08b |
80474251 has 24 divisors (see below), whose sum is σ = 96527376. Its totient is φ = 66493440.
The previous prime is 80474231. The next prime is 80474269. The reversal of 80474251 is 15247408.
It is not a de Polignac number, because 80474251 - 221 = 78377099 is a prime.
It is a super-2 number, since 2×804742512 = 12952210148022002, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (80474201) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135411 + ... + 136003.
It is an arithmetic number, because the mean of its divisors is an integer number (4021974).
Almost surely, 280474251 is an apocalyptic number.
80474251 is a deficient number, since it is larger than the sum of its proper divisors (16053125).
80474251 is a wasteful number, since it uses less digits than its factorization.
80474251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 703 (or 690 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 31.
The square root of 80474251 is about 8970.7441720294. The cubic root of 80474251 is about 431.7367133554.
The spelling of 80474251 in words is "eighty million, four hundred seventy-four thousand, two hundred fifty-one".
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