Search a number
-
+
87441378 = 2314573563
BaseRepresentation
bin1010011011000…
…11111111100010
320002112111000120
411031203333202
5134341111003
612402101110
72111145063
oct515437742
9202474016
1087441378
11453a4002
122534a796
131516747b
14b88256a
157a23853
hex5363fe2

87441378 has 8 divisors (see below), whose sum is σ = 174882768. Its totient is φ = 29147124.

The previous prime is 87441373. The next prime is 87441391. The reversal of 87441378 is 87314478.

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

87441378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (87441373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7286776 + ... + 7286787.

It is an arithmetic number, because the mean of its divisors is an integer number (21860346).

Almost surely, 287441378 is an apocalyptic number.

87441378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87441378 is a wasteful number, since it uses less digits than its factorization.

87441378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14573568.

The product of its digits is 150528, while the sum is 42.

The square root of 87441378 is about 9351.0094642236. The cubic root of 87441378 is about 443.8528345155.

The spelling of 87441378 in words is "eighty-seven million, four hundred forty-one thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 14573563 29147126 43720689 87441378