Base | Representation |
---|---|
bin | 110101101110000… |
… | …101101111000001 |
3 | 2022210220111021022 |
4 | 311232011233001 |
5 | 3321211241221 |
6 | 225233235225 |
7 | 31222464425 |
oct | 6556055701 |
9 | 2283814238 |
10 | 901274561 |
11 | 422822a10 |
12 | 211a02b15 |
13 | 114951875 |
14 | 879acb85 |
15 | 541ce4ab |
hex | 35b85bc1 |
901274561 has 8 divisors (see below), whose sum is σ = 985689984. Its totient is φ = 817272720.
The previous prime is 901274537. The next prime is 901274641. The reversal of 901274561 is 165472109.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 901274561 - 210 = 901273537 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (901270561) 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, 98825 + ... + 107558.
It is an arithmetic number, because the mean of its divisors is an integer number (123211248).
Almost surely, 2901274561 is an apocalyptic number.
It is an amenable number.
901274561 is a deficient number, since it is larger than the sum of its proper divisors (84415423).
901274561 is a wasteful number, since it uses less digits than its factorization.
901274561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206791.
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 901274561 is about 30021.2351677941. The cubic root of 901274561 is about 965.9449381861.
The spelling of 901274561 in words is "nine hundred one million, two hundred seventy-four thousand, five hundred sixty-one".
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