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74828 = 22131439
BaseRepresentation
bin10010010001001100
310210122102
4102101030
54343303
61334232
7431105
oct222114
9123572
1074828
1151246
1237378
13280a0
141d3ac
1517288
hex1244c

74828 has 12 divisors (see below), whose sum is σ = 141120. Its totient is φ = 34512.

The previous prime is 74827. The next prime is 74831. The reversal of 74828 is 82847.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 74828.

It is not an unprimeable number, because it can be changed into a prime (74821) 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, 668 + ... + 771.

It is an arithmetic number, because the mean of its divisors is an integer number (11760).

274828 is an apocalyptic number.

It is an amenable number.

74828 is a deficient number, since it is larger than the sum of its proper divisors (66292).

74828 is a wasteful number, since it uses less digits than its factorization.

74828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456 (or 1454 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 74828 is about 273.5470709037. The cubic root of 74828 is about 42.1393707188.

The spelling of 74828 in words is "seventy-four thousand, eight hundred twenty-eight".

Divisors: 1 2 4 13 26 52 1439 2878 5756 18707 37414 74828