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89739149 = 151594299
BaseRepresentation
bin1010101100101…
…00111110001101
320020212012222012
411112110332031
5140433123044
612523231005
72136525113
oct526247615
9206765865
1089739149
1146723395
1226078465
13157902b6
14bcbdab3
157d2959e
hex5594f8d

89739149 has 4 divisors (see below), whose sum is σ = 90333600. Its totient is φ = 89144700.

The previous prime is 89739131. The next prime is 89739157. The reversal of 89739149 is 94193798.

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.

It is a cyclic number.

It is not a de Polignac number, because 89739149 - 216 = 89673613 is a prime.

It is a super-2 number, since 2×897391492 = 16106229726488402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89739097 and 89739106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89739049) 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, 296999 + ... + 297300.

It is an arithmetic number, because the mean of its divisors is an integer number (22583400).

Almost surely, 289739149 is an apocalyptic number.

It is an amenable number.

89739149 is a deficient number, since it is larger than the sum of its proper divisors (594451).

89739149 is a wasteful number, since it uses less digits than its factorization.

89739149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594450.

The product of its digits is 489888, while the sum is 50.

The square root of 89739149 is about 9473.0749495610. The cubic root of 89739149 is about 447.7071005448.

The spelling of 89739149 in words is "eighty-nine million, seven hundred thirty-nine thousand, one hundred forty-nine".

Divisors: 1 151 594299 89739149