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89425690 = 258942569
BaseRepresentation
bin1010101010010…
…00011100011010
320020021021222121
411111020130122
5140343110230
612512411454
72134051204
oct525103432
9206237877
1089425690
1146529932
1225b46b8a
13156b0713
14bc3b774
157cb677a
hex554871a

89425690 has 8 divisors (see below), whose sum is σ = 160966260. Its totient is φ = 35770272.

The previous prime is 89425667. The next prime is 89425697. The reversal of 89425690 is 9652498.

It can be written as a sum of positive squares in 2 ways, for example, as 85766121 + 3659569 = 9261^2 + 1913^2 .

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

It is a super-2 number, since 2×894256902 = 15993908063952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89425697) 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, 4471275 + ... + 4471294.

Almost surely, 289425690 is an apocalyptic number.

89425690 is a deficient number, since it is larger than the sum of its proper divisors (71540570).

89425690 is a wasteful number, since it uses less digits than its factorization.

89425690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8942576.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 89425690 is about 9456.5157431265. The cubic root of 89425690 is about 447.1852118652.

The spelling of 89425690 in words is "eighty-nine million, four hundred twenty-five thousand, six hundred ninety".

Divisors: 1 2 5 10 8942569 17885138 44712845 89425690