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378007 = 754001
BaseRepresentation
bin1011100010010010111
3201012112021
41130102113
544044012
612034011
73133030
oct1342227
9635467
10378007
11239003
12162907
13103096
149ba87
1577007
hex5c497

378007 has 4 divisors (see below), whose sum is σ = 432016. Its totient is φ = 324000.

The previous prime is 377999. The next prime is 378011. The reversal of 378007 is 700873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700873 = 739601.

It is a cyclic number.

It is not a de Polignac number, because 378007 - 23 = 377999 is a prime.

It is a Duffinian number.

378007 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378407) 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, 26994 + ... + 27007.

It is an arithmetic number, because the mean of its divisors is an integer number (108004).

2378007 is an apocalyptic number.

378007 is a deficient number, since it is larger than the sum of its proper divisors (54009).

378007 is an equidigital number, since it uses as much as digits as its factorization.

378007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54008.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 378007 is about 614.8227386816. The cubic root of 378007 is about 72.3047142451.

The spelling of 378007 in words is "three hundred seventy-eight thousand, seven".

Divisors: 1 7 54001 378007