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87450441 = 3132242319
BaseRepresentation
bin1010011011001…
…10001101001001
320002112221110020
411031212031021
5134341403231
612402211053
72111213361
oct515461511
9202487406
1087450441
11453aa8a1
1225353a89
131516b630
14b8859a1
157a26396
hex5366349

87450441 has 8 divisors (see below), whose sum is σ = 125569920. Its totient is φ = 53815632.

The previous prime is 87450437. The next prime is 87450443. The reversal of 87450441 is 14405478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87450441 - 22 = 87450437 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87450443) 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, 1121121 + ... + 1121198.

It is an arithmetic number, because the mean of its divisors is an integer number (15696240).

Almost surely, 287450441 is an apocalyptic number.

It is an amenable number.

87450441 is a deficient number, since it is larger than the sum of its proper divisors (38119479).

87450441 is a wasteful number, since it uses less digits than its factorization.

87450441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242335.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 87450441 is about 9351.4940517545. The cubic root of 87450441 is about 443.8681685956.

It can be divided in two parts, 874 and 50441, that added together give a palindrome (51315).

The spelling of 87450441 in words is "eighty-seven million, four hundred fifty thousand, four hundred forty-one".

Divisors: 1 3 13 39 2242319 6726957 29150147 87450441