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89432001 = 329936889
BaseRepresentation
bin1010101010010…
…01111111000001
320020021121122100
411111021333001
5140343311001
612512501013
72134105461
oct525117701
9206247570
1089432001
114653364a
1225b4a769
13156b3559
14bc3dba1
157cb8586
hex5549fc1

89432001 has 6 divisors (see below), whose sum is σ = 129179570. Its totient is φ = 59621328.

The previous prime is 89431973. The next prime is 89432011. The reversal of 89432001 is 10023498.

It can be written as a sum of positive squares in only one way, i.e., 50979600 + 38452401 = 7140^2 + 6201^2 .

It is not a de Polignac number, because 89432001 - 211 = 89429953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89432011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4968436 + ... + 4968453.

Almost surely, 289432001 is an apocalyptic number.

It is an amenable number.

89432001 is a deficient number, since it is larger than the sum of its proper divisors (39747569).

89432001 is a wasteful number, since it uses less digits than its factorization.

89432001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936895 (or 9936892 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 89432001 is about 9456.8494225085. The cubic root of 89432001 is about 447.1957312864.

Adding to 89432001 its reverse (10023498), we get a palindrome (99455499).

The spelling of 89432001 in words is "eighty-nine million, four hundred thirty-two thousand, one".

Divisors: 1 3 9 9936889 29810667 89432001