Search a number
-
+
73047856 = 2471934327
BaseRepresentation
bin1000101101010…
…01111100110000
312002110012211011
410112221330300
5122200012411
611125400304
71544616340
oct426517460
9162405734
1073047856
1138262a32
1220569094
1312197bab
1499b6d20
15662dc21
hex45a9f30

73047856 has 40 divisors (see below), whose sum is σ = 170266880. Its totient is φ = 29657664.

The previous prime is 73047817. The next prime is 73047857. The reversal of 73047856 is 65874037.

It is not an unprimeable number, because it can be changed into a prime (73047857) 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, 15036 + ... + 19291.

It is an arithmetic number, because the mean of its divisors is an integer number (4256672).

Almost surely, 273047856 is an apocalyptic number.

73047856 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

73047856 is an abundant number, since it is smaller than the sum of its proper divisors (97219024).

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

73047856 is a wasteful number, since it uses less digits than its factorization.

73047856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34361 (or 34355 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 73047856 is about 8546.8038470530. The cubic root of 73047856 is about 418.0252268377.

The spelling of 73047856 in words is "seventy-three million, forty-seven thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 2128 34327 68654 137308 240289 274616 480578 549232 652213 961156 1304426 1922312 2608852 3844624 4565491 5217704 9130982 10435408 18261964 36523928 73047856