Search a number
-
+
74888242 = 21113261847
BaseRepresentation
bin1000111011010…
…11010000110010
312012220201100121
410131223100302
5123132410432
611233040454
71566353032
oct435532062
9165821317
1074888242
11392aa710
12210b612a
1312690790
149d358c2
156894197
hex476b432

74888242 has 16 divisors (see below), whose sum is σ = 131971392. Its totient is φ = 31421520.

The previous prime is 74888239. The next prime is 74888243. The reversal of 74888242 is 24288847.

It is not an unprimeable number, because it can be changed into a prime (74888243) 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, 130638 + ... + 131209.

It is an arithmetic number, because the mean of its divisors is an integer number (8248212).

Almost surely, 274888242 is an apocalyptic number.

74888242 is a deficient number, since it is larger than the sum of its proper divisors (57083150).

74888242 is a wasteful number, since it uses less digits than its factorization.

74888242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261873.

The product of its digits is 229376, while the sum is 43.

The square root of 74888242 is about 8653.7992812406. The cubic root of 74888242 is about 421.5067610821.

The spelling of 74888242 in words is "seventy-four million, eight hundred eighty-eight thousand, two hundred forty-two".

Divisors: 1 2 11 13 22 26 143 286 261847 523694 2880317 3404011 5760634 6808022 37444121 74888242