Search a number
-
+
74323249 = 72111310607
BaseRepresentation
bin1000110111000…
…01010100110001
312011212000022221
410123201110301
5123011320444
611213001041
71561510600
oct433412461
9164760287
1074323249
1138a54180
1220a83181
1312523570
149c29a37
1567d1a84
hex46e1531

74323249 has 24 divisors (see below), whose sum is σ = 101582208. Its totient is φ = 53454240.

The previous prime is 74323247. The next prime is 74323261. The reversal of 74323249 is 94232347.

It is a happy number.

It is not a de Polignac number, because 74323249 - 21 = 74323247 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74323241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1704 + ... + 12310.

It is an arithmetic number, because the mean of its divisors is an integer number (4232592).

Almost surely, 274323249 is an apocalyptic number.

It is an amenable number.

74323249 is a deficient number, since it is larger than the sum of its proper divisors (27258959).

74323249 is a wasteful number, since it uses less digits than its factorization.

74323249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10645 (or 10638 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 74323249 is about 8621.0932601382. The cubic root of 74323249 is about 420.4440673577. Note that the first 3 decimals are identical.

It can be divided in two parts, 74 and 323249, that added together give a palindrome (323323).

The spelling of 74323249 in words is "seventy-four million, three hundred twenty-three thousand, two hundred forty-nine".

Divisors: 1 7 11 13 49 77 91 143 539 637 1001 7007 10607 74249 116677 137891 519743 816739 965237 1516801 5717173 6756659 10617607 74323249