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89290929 = 3713476959
BaseRepresentation
bin1010101001001…
…11100010110001
320020000110010110
411110213202301
5140324302204
612505451533
72132650260
oct524474261
9206013113
1089290929
1146447662
1225aa0ba9
1315664290
14bc045d7
157c8b889
hex55278b1

89290929 has 32 divisors (see below), whose sum is σ = 149667840. Its totient is φ = 46089792.

The previous prime is 89290889. The next prime is 89290931. The reversal of 89290929 is 92909298.

It is not a de Polignac number, because 89290929 - 27 = 89290801 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89290979) 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 31 ways as a sum of consecutive naturals, for example, 9352 + ... + 16310.

It is an arithmetic number, because the mean of its divisors is an integer number (4677120).

Almost surely, 289290929 is an apocalyptic number.

It is an amenable number.

89290929 is a deficient number, since it is larger than the sum of its proper divisors (60376911).

89290929 is a wasteful number, since it uses less digits than its factorization.

89290929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7029.

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 89290929 is about 9449.3877579450. The cubic root of 89290929 is about 446.9604687551.

The spelling of 89290929 in words is "eighty-nine million, two hundred ninety thousand, nine hundred twenty-nine".

Divisors: 1 3 7 13 21 39 47 91 141 273 329 611 987 1833 4277 6959 12831 20877 48713 90467 146139 271401 327073 633269 981219 1899807 2289511 4251949 6868533 12755847 29763643 89290929