Base | Representation |
---|---|
bin | 10110001000111… |
… | …011100111010101 |
3 | 221212221010000012 |
4 | 112020323213111 |
5 | 1230042040320 |
6 | 100505130005 |
7 | 12130121462 |
oct | 2610734725 |
9 | 855833005 |
10 | 371440085 |
11 | 180739485 |
12 | a4489905 |
13 | 5bc51c43 |
14 | 3748c669 |
15 | 229214c5 |
hex | 1623b9d5 |
371440085 has 8 divisors (see below), whose sum is σ = 446151480. Its totient is φ = 296869824.
The previous prime is 371440081. The next prime is 371440093. The reversal of 371440085 is 580044173.
It can be written as a sum of positive squares in 4 ways, for example, as 128890609 + 242549476 = 11353^2 + 15574^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 371440085 - 22 = 371440081 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (371440081) 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, 29402 + ... + 40091.
It is an arithmetic number, because the mean of its divisors is an integer number (55768935).
Almost surely, 2371440085 is an apocalyptic number.
It is an amenable number.
371440085 is a deficient number, since it is larger than the sum of its proper divisors (74711395).
371440085 is a wasteful number, since it uses less digits than its factorization.
371440085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70567.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 371440085 is about 19272.7809358172. The cubic root of 371440085 is about 718.8356212051.
The spelling of 371440085 in words is "three hundred seventy-one million, four hundred forty thousand, eighty-five".
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