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379814033 = 2729139177
BaseRepresentation
bin10110101000111…
…000000010010001
3222110200112220102
4112220320002101
51234213022113
6101404422145
712261236354
oct2650700221
9873615812
10379814033
111854389a5
12a7247955
13608c4641
143862c29b
1523527758
hex16a38091

379814033 has 4 divisors (see below), whose sum is σ = 379955940. Its totient is φ = 379672128.

The previous prime is 379814021. The next prime is 379814053. The reversal of 379814033 is 330418973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330418973 = 1492217577.

It can be written as a sum of positive squares in 2 ways, for example, as 171531409 + 208282624 = 13097^2 + 14432^2 .

It is a cyclic number.

It is not a de Polignac number, because 379814033 - 218 = 379551889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379814053) 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, 66860 + ... + 72317.

It is an arithmetic number, because the mean of its divisors is an integer number (94988985).

Almost surely, 2379814033 is an apocalyptic number.

It is an amenable number.

379814033 is a deficient number, since it is larger than the sum of its proper divisors (141907).

379814033 is a wasteful number, since it uses less digits than its factorization.

379814033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141906.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 379814033 is about 19488.8181529820. The cubic root of 379814033 is about 724.1974682155.

The spelling of 379814033 in words is "three hundred seventy-nine million, eight hundred fourteen thousand, thirty-three".

Divisors: 1 2729 139177 379814033