Search a number
-
+
89542008 = 23321243639
BaseRepresentation
bin1010101011001…
…00110101111000
320020111012112200
411111210311320
5140410321013
612515110200
72135044263
oct525446570
9206435480
1089542008
11465a9266
1225ba2360
131572164a
14bc6bcda
157cdae73
hex5564d78

89542008 has 24 divisors (see below), whose sum is σ = 242509800. Its totient is φ = 29847312.

The previous prime is 89541989. The next prime is 89542021. The reversal of 89542008 is 80024598.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 621748 + ... + 621891.

It is an arithmetic number, because the mean of its divisors is an integer number (10104575).

Almost surely, 289542008 is an apocalyptic number.

It is an amenable number.

89542008 is an abundant number, since it is smaller than the sum of its proper divisors (152967792).

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

89542008 is a wasteful number, since it uses less digits than its factorization.

89542008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243651 (or 1243644 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 89542008 is about 9462.6638955423. The cubic root of 89542008 is about 447.3790158049.

The spelling of 89542008 in words is "eighty-nine million, five hundred forty-two thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1243639 2487278 3730917 4974556 7461834 9949112 11192751 14923668 22385502 29847336 44771004 89542008