Search a number
-
+
74238227 = 7232331979
BaseRepresentation
bin1000110110011…
…00100100010011
312011200200200222
410123030210103
5123001110402
611211103255
71561004660
oct433144423
9164620628
1074238227
11389a6308
1220a41b2b
13124c395b
149c06a67
1567b67a2
hex46cc913

74238227 has 16 divisors (see below), whose sum is σ = 88957440. Its totient is φ = 60574272.

The previous prime is 74238223. The next prime is 74238251. The reversal of 74238227 is 72283247.

It is not a de Polignac number, because 74238227 - 22 = 74238223 is a prime.

It is a super-2 number, since 2×742382272 = 11022628696207058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74238223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36524 + ... + 38502.

It is an arithmetic number, because the mean of its divisors is an integer number (5559840).

Almost surely, 274238227 is an apocalyptic number.

74238227 is a deficient number, since it is larger than the sum of its proper divisors (14719213).

74238227 is a wasteful number, since it uses less digits than its factorization.

74238227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242.

The product of its digits is 37632, while the sum is 35.

The square root of 74238227 is about 8616.1608039776. The cubic root of 74238227 is about 420.2836840072.

The spelling of 74238227 in words is "seventy-four million, two hundred thirty-eight thousand, two hundred twenty-seven".

Divisors: 1 7 23 161 233 1631 1979 5359 13853 37513 45517 318619 461107 3227749 10605461 74238227