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89708943 = 3412772633
BaseRepresentation
bin1010101100011…
…01100110001111
320020210200112110
411112031212033
5140431141233
612522435103
72136341052
oct526154617
9206720473
1089708943
1146702725
1226062a93
131577c61c
14bcb2a99
157d20663
hex558d98f

89708943 has 16 divisors (see below), whose sum is σ = 123018336. Its totient is φ = 58114560.

The previous prime is 89708933. The next prime is 89708951. The reversal of 89708943 is 34980798.

It is not a de Polignac number, because 89708943 - 29 = 89708431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89708892 and 89708901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89708923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32755 + ... + 35387.

It is an arithmetic number, because the mean of its divisors is an integer number (7688646).

Almost surely, 289708943 is an apocalyptic number.

89708943 is a deficient number, since it is larger than the sum of its proper divisors (33309393).

89708943 is a wasteful number, since it uses less digits than its factorization.

89708943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 89708943 is about 9471.4805072913. The cubic root of 89708943 is about 447.6568624996.

The spelling of 89708943 in words is "eighty-nine million, seven hundred eight thousand, nine hundred forty-three".

Divisors: 1 3 41 123 277 831 2633 7899 11357 34071 107953 323859 729341 2188023 29902981 89708943