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57430 = 255743
BaseRepresentation
bin1110000001010110
32220210001
432001112
53314210
61121514
7326302
oct160126
986701
1057430
113a16a
122929a
13201a9
1416d02
151203a
hexe056

57430 has 8 divisors (see below), whose sum is σ = 103392. Its totient is φ = 22968.

The previous prime is 57427. The next prime is 57457. The reversal of 57430 is 3475.

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 = 57398 and 57407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2862 + ... + 2881.

It is an arithmetic number, because the mean of its divisors is an integer number (12924).

257430 is an apocalyptic number.

57430 is a deficient number, since it is larger than the sum of its proper divisors (45962).

57430 is a wasteful number, since it uses less digits than its factorization.

57430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5750.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 57430 is about 239.6455716261. The cubic root of 57430 is about 38.5815441494.

The spelling of 57430 in words is "fifty-seven thousand, four hundred thirty".

Divisors: 1 2 5 10 5743 11486 28715 57430