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379949 = 973917
BaseRepresentation
bin1011100110000101101
3201022012012
41130300231
544124244
612051005
73141503
oct1346055
9638165
10379949
1123a509
12163a65
13103c2b
149c673
157789e
hex5cc2d

379949 has 4 divisors (see below), whose sum is σ = 383964. Its totient is φ = 375936.

The previous prime is 379931. The next prime is 379963. The reversal of 379949 is 949973.

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

It can be written as a sum of positive squares in 2 ways, for example, as 243049 + 136900 = 493^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 379949 - 28 = 379693 is a prime.

It is a super-2 number, since 2×3799492 = 288722485202, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379909) 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, 1862 + ... + 2055.

It is an arithmetic number, because the mean of its divisors is an integer number (95991).

2379949 is an apocalyptic number.

It is an amenable number.

379949 is a deficient number, since it is larger than the sum of its proper divisors (4015).

379949 is an equidigital number, since it uses as much as digits as its factorization.

379949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014.

The product of its digits is 61236, while the sum is 41.

The square root of 379949 is about 616.4000324465. The cubic root of 379949 is about 72.4283239300.

The spelling of 379949 in words is "three hundred seventy-nine thousand, nine hundred forty-nine".

Divisors: 1 97 3917 379949