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380501 = 1134591
BaseRepresentation
bin1011100111001010101
3201022221122
41130321111
544134001
612053325
73143222
oct1347125
9638848
10380501
1123a970
12164245
13104264
149c949
1577b1b
hex5ce55

380501 has 4 divisors (see below), whose sum is σ = 415104. Its totient is φ = 345900.

The previous prime is 380483. The next prime is 380503. The reversal of 380501 is 105083.

380501 = 412 + 422 + ... + 1062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-380501 is a prime.

It is a super-2 number, since 2×3805012 = 289562022002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 380501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380503) 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 3 ways as a sum of consecutive naturals, for example, 17285 + ... + 17306.

It is an arithmetic number, because the mean of its divisors is an integer number (103776).

2380501 is an apocalyptic number.

It is an amenable number.

380501 is a deficient number, since it is larger than the sum of its proper divisors (34603).

380501 is a wasteful number, since it uses less digits than its factorization.

380501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34602.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 380501 is about 616.8476311051. The cubic root of 380501 is about 72.4633822219.

Adding to 380501 its reverse (105083), we get a palindrome (485584).

The spelling of 380501 in words is "three hundred eighty thousand, five hundred one".

Divisors: 1 11 34591 380501