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380471 = 71337113
BaseRepresentation
bin1011100111000110111
3201022220112
41130320313
544133341
612053235
73143150
oct1347067
9638815
10380471
1123a943
1216421b
13104240
149c927
1577aeb
hex5ce37

380471 has 16 divisors (see below), whose sum is σ = 485184. Its totient is φ = 290304.

The previous prime is 380461. The next prime is 380483. The reversal of 380471 is 174083.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-380471 is a prime.

It is a super-3 number, since 3×3804713 = 165228870609681333, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380441) 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, 3311 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (30324).

2380471 is an apocalyptic number.

380471 is a deficient number, since it is larger than the sum of its proper divisors (104713).

380471 is a wasteful number, since it uses less digits than its factorization.

380471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 380471 is about 616.8233134375. The cubic root of 380471 is about 72.4614777516.

The spelling of 380471 in words is "three hundred eighty thousand, four hundred seventy-one".

Divisors: 1 7 13 37 91 113 259 481 791 1469 3367 4181 10283 29267 54353 380471