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89574379 = 194714441
BaseRepresentation
bin1010101011011…
…00101111101011
320020112211221121
411111230233223
5140412340004
612515520111
72135240536
oct525545753
9206484847
1089574379
1146620614
1225bb9037
13157332bb
14bc79a1d
157ce5854
hex556cbeb

89574379 has 4 divisors (see below), whose sum is σ = 94288840. Its totient is φ = 84859920.

The previous prime is 89574371. The next prime is 89574391. The reversal of 89574379 is 97347598.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97347598 = 248673799.

It is a cyclic number.

It is not a de Polignac number, because 89574379 - 23 = 89574371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89574371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357202 + ... + 2357239.

It is an arithmetic number, because the mean of its divisors is an integer number (23572210).

Almost surely, 289574379 is an apocalyptic number.

89574379 is a deficient number, since it is larger than the sum of its proper divisors (4714461).

89574379 is a wasteful number, since it uses less digits than its factorization.

89574379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714460.

The product of its digits is 1905120, while the sum is 52.

The square root of 89574379 is about 9464.3742001254. The cubic root of 89574379 is about 447.4329210859.

The spelling of 89574379 in words is "eighty-nine million, five hundred seventy-four thousand, three hundred seventy-nine".

Divisors: 1 19 4714441 89574379