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89723045 = 5136713127
BaseRepresentation
bin1010101100100…
…01000010100101
320020211101212202
411112101002211
5140432114140
612523024245
72136430136
oct526210245
9206741782
1089723045
1146712285
122606b085
1315785b79
14bcb7c8d
157d24915
hex55910a5

89723045 has 8 divisors (see below), whose sum is σ = 107754624. Its totient is φ = 71720464.

The previous prime is 89723041. The next prime is 89723057. The reversal of 89723045 is 54032798.

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

It is a cyclic number.

It is not a de Polignac number, because 89723045 - 22 = 89723041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89723041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272 + ... + 13398.

It is an arithmetic number, because the mean of its divisors is an integer number (13469328).

Almost surely, 289723045 is an apocalyptic number.

It is an amenable number.

89723045 is a deficient number, since it is larger than the sum of its proper divisors (18031579).

89723045 is a wasteful number, since it uses less digits than its factorization.

89723045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14499.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 89723045 is about 9472.2249234274. The cubic root of 89723045 is about 447.6803180812.

The spelling of 89723045 in words is "eighty-nine million, seven hundred twenty-three thousand, forty-five".

Divisors: 1 5 1367 6835 13127 65635 17944609 89723045