Search a number
-
+
74185242 = 2328434349
BaseRepresentation
bin1000110101111…
…11101000011010
312011121000000120
410122333220122
5122442411432
611210014110
71560364335
oct432775032
9164530016
1074185242
113896a51a
1220a17336
13124a57c1
149bd161c
1567a5c2c
hex46bfa1a

74185242 has 16 divisors (see below), whose sum is σ = 148456800. Its totient is φ = 24714032.

The previous prime is 74185231. The next prime is 74185247. The reversal of 74185242 is 24258147.

It is not an unprimeable number, because it can be changed into a prime (74185247) 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, 14884 + ... + 19232.

It is an arithmetic number, because the mean of its divisors is an integer number (9278550).

Almost surely, 274185242 is an apocalyptic number.

74185242 is an abundant number, since it is smaller than the sum of its proper divisors (74271558).

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

74185242 is a wasteful number, since it uses less digits than its factorization.

74185242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197.

The product of its digits is 17920, while the sum is 33.

The square root of 74185242 is about 8613.0855098507. The cubic root of 74185242 is about 420.1836724999.

The spelling of 74185242 in words is "seventy-four million, one hundred eighty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 2843 4349 5686 8529 8698 13047 17058 26094 12364207 24728414 37092621 74185242