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392434 = 2728031
BaseRepresentation
bin1011111110011110010
3201221022121
41133303302
5100024214
612224454
73223060
oct1376362
9657277
10392434
11248929
1216b12a
13109813
14a3030
157b424
hex5fcf2

392434 has 8 divisors (see below), whose sum is σ = 672768. Its totient is φ = 168180.

The previous prime is 392423. The next prime is 392437. The reversal of 392434 is 434293.

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

It is a junction number, because it is equal to n+sod(n) for n = 392399 and 392408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14002 + ... + 14029.

It is an arithmetic number, because the mean of its divisors is an integer number (84096).

2392434 is an apocalyptic number.

392434 is a deficient number, since it is larger than the sum of its proper divisors (280334).

392434 is a wasteful number, since it uses less digits than its factorization.

392434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28040.

The product of its digits is 2592, while the sum is 25.

The square root of 392434 is about 626.4455283582. The cubic root of 392434 is about 73.2131134001.

The spelling of 392434 in words is "three hundred ninety-two thousand, four hundred thirty-four".

Divisors: 1 2 7 14 28031 56062 196217 392434