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74148 = 22337167
BaseRepresentation
bin10010000110100100
310202201020
4102012210
54333043
61331140
7426114
oct220644
9122636
1074148
1150788
1236ab0
1327999
141d044
1516e83
hex121a4

74148 has 24 divisors (see below), whose sum is σ = 178752. Its totient is φ = 23904.

The previous prime is 74143. The next prime is 74149. The reversal of 74148 is 84147.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (74143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361 + ... + 527.

It is an arithmetic number, because the mean of its divisors is an integer number (7448).

274148 is an apocalyptic number.

It is an amenable number.

74148 is an abundant number, since it is smaller than the sum of its proper divisors (104604).

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 (89376).

74148 is a wasteful number, since it uses less digits than its factorization.

74148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 209 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 74148 is about 272.3013037060. The cubic root of 74148 is about 42.0113348092.

Subtracting 74148 from its reverse (84147), we obtain a palindrome (9999).

It can be divided in two parts, 74 and 148, that added together give a palindrome (222).

The spelling of 74148 in words is "seventy-four thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 167 222 334 444 501 668 1002 2004 6179 12358 18537 24716 37074 74148