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378061 = 419221
BaseRepresentation
bin1011100010011001101
3201012121021
41130103031
544044221
612034141
73133135
oct1342315
9635537
10378061
11239052
12162951
13103108
149bac5
1577041
hex5c4cd

378061 has 4 divisors (see below), whose sum is σ = 387324. Its totient is φ = 368800.

The previous prime is 378041. The next prime is 378071. The reversal of 378061 is 160873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160873 = 198467.

It can be written as a sum of positive squares in 2 ways, for example, as 175561 + 202500 = 419^2 + 450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-378061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4570 + ... + 4651.

It is an arithmetic number, because the mean of its divisors is an integer number (96831).

2378061 is an apocalyptic number.

It is an amenable number.

378061 is a deficient number, since it is larger than the sum of its proper divisors (9263).

378061 is an equidigital number, since it uses as much as digits as its factorization.

378061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9262.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 378061 is about 614.8666522101. The cubic root of 378061 is about 72.3081570991.

The spelling of 378061 in words is "three hundred seventy-eight thousand, sixty-one".

Divisors: 1 41 9221 378061