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380508 = 22337857
BaseRepresentation
bin1011100111001011100
3201022221220
41130321130
544134013
612053340
73143232
oct1347134
9638856
10380508
1123a977
12164250
1310426b
149c952
1577b23
hex5ce5c

380508 has 24 divisors (see below), whose sum is σ = 912912. Its totient is φ = 123264.

The previous prime is 380503. The next prime is 380533. The reversal of 380508 is 805083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380503) by changing a digit.

380508 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 16 + ... + 872.

It is an arithmetic number, because the mean of its divisors is an integer number (38038).

2380508 is an apocalyptic number.

It is an amenable number.

380508 is an abundant number, since it is smaller than the sum of its proper divisors (532404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380508 is a wasteful number, since it uses less digits than its factorization.

380508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 380508 is about 616.8533050896. The cubic root of 380508 is about 72.4638265839.

It can be divided in two parts, 380 and 508, that added together give a palindrome (888).

The spelling of 380508 in words is "three hundred eighty thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 857 1714 2571 3428 5142 10284 31709 63418 95127 126836 190254 380508