Search a number
-
+
87448332 = 2237287361
BaseRepresentation
bin1010011011001…
…01101100001100
320002112211120010
411031211230030
5134341321312
612402153220
72111204256
oct515455414
9202484503
1087448332
11453a9254
1225352810
131516a69a
14b884cd6
157a2593c
hex5365b0c

87448332 has 12 divisors (see below), whose sum is σ = 204046136. Its totient is φ = 29149440.

The previous prime is 87448331. The next prime is 87448349. The reversal of 87448332 is 23384478.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (87448331) 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 3 ways as a sum of consecutive naturals, for example, 3643669 + ... + 3643692.

Almost surely, 287448332 is an apocalyptic number.

It is an amenable number.

87448332 is an abundant number, since it is smaller than the sum of its proper divisors (116597804).

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

87448332 is a wasteful number, since it uses less digits than its factorization.

87448332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7287368 (or 7287366 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 87448332 is about 9351.3812883445. The cubic root of 87448332 is about 443.8646003822.

The spelling of 87448332 in words is "eighty-seven million, four hundred forty-eight thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 7287361 14574722 21862083 29149444 43724166 87448332