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380555 = 5783131
BaseRepresentation
bin1011100111010001011
3201100000122
41130322023
544134210
612053455
73143330
oct1347213
9640018
10380555
1123aa0a
1216428b
131042a6
149c987
1577b55
hex5ce8b

380555 has 16 divisors (see below), whose sum is σ = 532224. Its totient is φ = 255840.

The previous prime is 380533. The next prime is 380557. The reversal of 380555 is 555083.

It is not a de Polignac number, because 380555 - 28 = 380299 is a prime.

380555 is a modest number, since divided by 555 gives 380 as remainder.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 380555.

It is not an unprimeable number, because it can be changed into a prime (380557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2840 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (33264).

2380555 is an apocalyptic number.

380555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

380555 is a deficient number, since it is larger than the sum of its proper divisors (151669).

380555 is a wasteful number, since it uses less digits than its factorization.

380555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 380555 is about 616.8914004912. The cubic root of 380555 is about 72.4668100163.

The spelling of 380555 in words is "three hundred eighty thousand, five hundred fifty-five".

Divisors: 1 5 7 35 83 131 415 581 655 917 2905 4585 10873 54365 76111 380555