Search a number
-
+
74886340 = 2255963463
BaseRepresentation
bin1000111011010…
…10110011000100
312012220121202011
410131222303010
5123132330330
611233024004
71566344344
oct435526304
9165817664
1074886340
11392a9241
12210b5004
131268c959
149d34d24
15689382a
hex476acc4

74886340 has 24 divisors (see below), whose sum is σ = 159929280. Its totient is φ = 29446368.

The previous prime is 74886313. The next prime is 74886341. The reversal of 74886340 is 4368847.

It is a junction number, because it is equal to n+sod(n) for n = 74886293 and 74886302.

It is not an unprimeable number, because it can be changed into a prime (74886341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30552 + ... + 32911.

It is an arithmetic number, because the mean of its divisors is an integer number (6663720).

Almost surely, 274886340 is an apocalyptic number.

It is an amenable number.

74886340 is an abundant number, since it is smaller than the sum of its proper divisors (85042940).

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

74886340 is a wasteful number, since it uses less digits than its factorization.

74886340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63531 (or 63529 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 74886340 is about 8653.6893866142. The cubic root of 74886340 is about 421.5031925974.

The spelling of 74886340 in words is "seventy-four million, eight hundred eighty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 63463 126926 253852 317315 634630 1269260 3744317 7488634 14977268 18721585 37443170 74886340