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380626 = 2190313
BaseRepresentation
bin1011100111011010010
3201100010021
41130323102
544140001
612054054
73143461
oct1347322
9640107
10380626
1123aa74
1216432a
1310432c
149c9d8
1577ba1
hex5ced2

380626 has 4 divisors (see below), whose sum is σ = 570942. Its totient is φ = 190312.

The previous prime is 380623. The next prime is 380629. The reversal of 380626 is 626083.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (380623) and next prime (380629).

It can be written as a sum of positive squares in only one way, i.e., 378225 + 2401 = 615^2 + 49^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 380626.

It is not an unprimeable number, because it can be changed into a prime (380621) 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 as a sum of consecutive naturals, namely, 95155 + ... + 95158.

2380626 is an apocalyptic number.

380626 is a deficient number, since it is larger than the sum of its proper divisors (190316).

380626 is a wasteful number, since it uses less digits than its factorization.

380626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190315.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 380626 is about 616.9489444030. The cubic root of 380626 is about 72.4713164376.

The spelling of 380626 in words is "three hundred eighty thousand, six hundred twenty-six".

Divisors: 1 2 190313 380626