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89289542 = 21723227503
BaseRepresentation
bin1010101001001…
…11001101000110
320020000101020002
411110213031012
5140324231132
612505441302
72132643236
oct524471506
9206011202
1089289542
1146446611
1225aa0232
1315663764
14bc03cc6
157c8b262
hex5527346

89289542 has 32 divisors (see below), whose sum is σ = 148925952. Its totient is φ = 39935104.

The previous prime is 89289461. The next prime is 89289581. The reversal of 89289542 is 24598298.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 177263 + ... + 177765.

It is an arithmetic number, because the mean of its divisors is an integer number (4653936).

Almost surely, 289289542 is an apocalyptic number.

89289542 is a deficient number, since it is larger than the sum of its proper divisors (59636410).

89289542 is a wasteful number, since it uses less digits than its factorization.

89289542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772.

The product of its digits is 414720, while the sum is 47.

The square root of 89289542 is about 9449.3143666617. The cubic root of 89289542 is about 446.9581544574.

It can be divided in two parts, 8 and 9289542, that multiplied together give a triangular number (74316336 = T12191).

The spelling of 89289542 in words is "eighty-nine million, two hundred eighty-nine thousand, five hundred forty-two".

Divisors: 1 2 17 23 34 46 227 391 454 503 782 1006 3859 5221 7718 8551 10442 11569 17102 23138 88757 114181 177514 196673 228362 393346 1941077 2626163 3882154 5252326 44644771 89289542