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73487076 = 223131393389
BaseRepresentation
bin1000110000101…
…01001011100100
312010021112022120
410120111023210
5122303041301
611143025540
71551426015
oct430251344
9163245276
1073487076
1138532a23
122073b2b0
13122bcaa0
149a8d00c
1566b8e36
hex46152e4

73487076 has 48 divisors (see below), whose sum is σ = 186043200. Its totient is φ = 22442112.

The previous prime is 73487023. The next prime is 73487111. The reversal of 73487076 is 67078437.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19990 + ... + 23378.

It is an arithmetic number, because the mean of its divisors is an integer number (3875900).

Almost surely, 273487076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73487076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93021600).

73487076 is an abundant number, since it is smaller than the sum of its proper divisors (112556124).

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

73487076 is a wasteful number, since it uses less digits than its factorization.

73487076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 3546 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 73487076 is about 8572.4603236177. The cubic root of 73487076 is about 418.8613831277.

The spelling of 73487076 in words is "seventy-three million, four hundred eighty-seven thousand, seventy-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 139 156 278 417 556 834 1668 1807 3389 3614 5421 6778 7228 10167 10842 13556 20334 21684 40668 44057 88114 132171 176228 264342 471071 528684 942142 1413213 1884284 2826426 5652852 6123923 12247846 18371769 24495692 36743538 73487076