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89362409 = 227393667
BaseRepresentation
bin1010101001110…
…00111111101001
320020011002011212
411110320333221
5140334044114
612511202505
72133365543
oct524707751
9206132155
1089362409
1146496334
1225b16435
131568a986
14bc22693
157ca2b3e
hex5538fe9

89362409 has 4 divisors (see below), whose sum is σ = 89756304. Its totient is φ = 88968516.

The previous prime is 89362393. The next prime is 89362433. The reversal of 89362409 is 90426398.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90426398 = 245213199.

It is a cyclic number.

It is not a de Polignac number, because 89362409 - 24 = 89362393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89362459) 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, 196607 + ... + 197060.

It is an arithmetic number, because the mean of its divisors is an integer number (22439076).

Almost surely, 289362409 is an apocalyptic number.

It is an amenable number.

89362409 is a deficient number, since it is larger than the sum of its proper divisors (393895).

89362409 is a wasteful number, since it uses less digits than its factorization.

89362409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393894.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 89362409 is about 9453.1692569212. The cubic root of 89362409 is about 447.0797052522.

The spelling of 89362409 in words is "eighty-nine million, three hundred sixty-two thousand, four hundred nine".

Divisors: 1 227 393667 89362409