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30254 = 272161
BaseRepresentation
bin111011000101110
31112111112
413120232
51432004
6352022
7154130
oct73056
945445
1030254
1120804
1215612
1310a03
14b050
158e6e
hex762e

30254 has 8 divisors (see below), whose sum is σ = 51888. Its totient is φ = 12960.

The previous prime is 30253. The next prime is 30259. The reversal of 30254 is 45203.

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

30254 is a Gilda number.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 2161 = 30254 / (3 + 0 + 2 + 5 + 4).

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30254.

It is not an unprimeable number, because it can be changed into a prime (30253) 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, 1067 + ... + 1094.

It is an arithmetic number, because the mean of its divisors is an integer number (6486).

230254 is an apocalyptic number.

30254 is a deficient number, since it is larger than the sum of its proper divisors (21634).

30254 is a wasteful number, since it uses less digits than its factorization.

30254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 30254 is about 173.9367701206. The cubic root of 30254 is about 31.1597717343.

Adding to 30254 its reverse (45203), we get a palindrome (75457).

It can be divided in two parts, 3025 and 4, that multiplied together give a square (12100 = 1102).

The spelling of 30254 in words is "thirty thousand, two hundred fifty-four".

Divisors: 1 2 7 14 2161 4322 15127 30254