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89499939 = 3161918427
BaseRepresentation
bin1010101010110…
…10100100100011
320020102001211120
411111122210203
5140402444224
612514143323
72134510524
oct525324443
9206361746
1089499939
114657a6a1
1225b81b43
1315708459
14bc5a84b
157ccd779
hex555a923

89499939 has 8 divisors (see below), whose sum is σ = 119413440. Its totient is φ = 59626536.

The previous prime is 89499931. The next prime is 89499941. The reversal of 89499939 is 93999498.

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

It is not a de Polignac number, because 89499939 - 23 = 89499931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89499931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4357 + ... + 14070.

It is an arithmetic number, because the mean of its divisors is an integer number (14926680).

Almost surely, 289499939 is an apocalyptic number.

89499939 is a deficient number, since it is larger than the sum of its proper divisors (29913501).

89499939 is a wasteful number, since it uses less digits than its factorization.

89499939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20049.

The product of its digits is 5668704, while the sum is 60.

The square root of 89499939 is about 9460.4407402615. The cubic root of 89499939 is about 447.3089416707.

The spelling of 89499939 in words is "eighty-nine million, four hundred ninety-nine thousand, nine hundred thirty-nine".

Divisors: 1 3 1619 4857 18427 55281 29833313 89499939