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384274 = 21117467
BaseRepresentation
bin1011101110100010010
3201112010101
41131310102
544244044
612123014
73160222
oct1356422
9645111
10384274
11242790
1216646a
13105ba7
14a0082
1578cd4
hex5dd12

384274 has 8 divisors (see below), whose sum is σ = 628848. Its totient is φ = 174660.

The previous prime is 384259. The next prime is 384277. The reversal of 384274 is 472483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (384277) 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, 8712 + ... + 8755.

It is an arithmetic number, because the mean of its divisors is an integer number (78606).

2384274 is an apocalyptic number.

384274 is a deficient number, since it is larger than the sum of its proper divisors (244574).

384274 is a wasteful number, since it uses less digits than its factorization.

384274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17480.

The product of its digits is 5376, while the sum is 28.

The square root of 384274 is about 619.8983787686. The cubic root of 384274 is about 72.7021074865.

Subtracting 384274 from its reverse (472483), we obtain a square (88209 = 2972).

It can be divided in two parts, 3842 and 74, that added together give a triangular number (3916 = T88).

The spelling of 384274 in words is "three hundred eighty-four thousand, two hundred seventy-four".

Divisors: 1 2 11 22 17467 34934 192137 384274