Search a number
-
+
87204552 = 2334797797
BaseRepresentation
bin1010011001010…
…10001011001000
320002002110011020
411030222023020
5134311021202
612353032440
72106140451
oct514521310
9202073136
1087204552
1145252086
1225255720
13150b3736
14b820128
1579c85bc
hex532a2c8

87204552 has 64 divisors (see below), whose sum is σ = 225227520. Its totient is φ = 28121088.

The previous prime is 87204529. The next prime is 87204553. The reversal of 87204552 is 25540278.

It is not an unprimeable number, because it can be changed into a prime (87204553) by changing a digit.

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, 109018 + ... + 109814.

It is an arithmetic number, because the mean of its divisors is an integer number (3519180).

Almost surely, 287204552 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 87204552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112613760).

87204552 is an abundant number, since it is smaller than the sum of its proper divisors (138022968).

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

87204552 is a wasteful number, since it uses less digits than its factorization.

87204552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 87204552 is about 9338.3377535833. The cubic root of 87204552 is about 443.4517622567.

The spelling of 87204552 in words is "eighty-seven million, two hundred four thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 47 94 97 141 188 194 282 291 376 388 564 582 776 797 1128 1164 1594 2328 2391 3188 4559 4782 6376 9118 9564 13677 18236 19128 27354 36472 37459 54708 74918 77309 109416 112377 149836 154618 224754 231927 299672 309236 449508 463854 618472 899016 927708 1855416 3633523 7267046 10900569 14534092 21801138 29068184 43602276 87204552