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380516 = 22251379
BaseRepresentation
bin1011100111001100100
3201022222012
41130321210
544134031
612053352
73143243
oct1347144
9638865
10380516
1123a984
12164258
13104276
149c95a
1577b2b
hex5ce64

380516 has 12 divisors (see below), whose sum is σ = 670320. Its totient is φ = 189000.

The previous prime is 380503. The next prime is 380533. The reversal of 380516 is 615083.

It is a junction number, because it is equal to n+sod(n) for n = 380491 and 380500.

It is an unprimeable number.

380516 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (55860).

2380516 is an apocalyptic number.

It is an amenable number.

380516 is a deficient number, since it is larger than the sum of its proper divisors (289804).

380516 is a wasteful number, since it uses less digits than its factorization.

380516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 380516 is about 616.8597895794. The cubic root of 380516 is about 72.4643344195.

Adding to 380516 its reverse (615083), we get a palindrome (995599).

The spelling of 380516 in words is "three hundred eighty thousand, five hundred sixteen".

Divisors: 1 2 4 251 379 502 758 1004 1516 95129 190258 380516