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74274 = 2312379
BaseRepresentation
bin10010001000100010
310202212220
4102020202
54334044
61331510
7426354
oct221042
9122786
1074274
1150892
1236b96
1327a65
141d0d4
1517019
hex12222

74274 has 8 divisors (see below), whose sum is σ = 148560. Its totient is φ = 24756.

The previous prime is 74257. The next prime is 74279. The reversal of 74274 is 47247.

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

74274 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (74279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6184 + ... + 6195.

It is an arithmetic number, because the mean of its divisors is an integer number (18570).

274274 is an apocalyptic number.

74274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74280).

74274 is a wasteful number, since it uses less digits than its factorization.

74274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12384.

The product of its digits is 1568, while the sum is 24.

The square root of 74274 is about 272.5325668613. The cubic root of 74274 is about 42.0351180204.

The spelling of 74274 in words is "seventy-four thousand, two hundred seventy-four", and thus it is an iban number.

Divisors: 1 2 3 6 12379 24758 37137 74274