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89280542 = 2134773061
BaseRepresentation
bin1010101001001…
…01000000011110
320012222220212202
411110211000132
5140323434132
612505331502
72132605061
oct524450036
9205886782
1089280542
114643a87a
1225a96b92
131565c630
14bc008d8
157c88762
hex552501e

89280542 has 16 divisors (see below), whose sum is σ = 147292992. Its totient is φ = 40329120.

The previous prime is 89280539. The next prime is 89280547. The reversal of 89280542 is 24508298.

It is a junction number, because it is equal to n+sod(n) for n = 89280496 and 89280505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89280547) 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, 35309 + ... + 37752.

It is an arithmetic number, because the mean of its divisors is an integer number (9205812).

Almost surely, 289280542 is an apocalyptic number.

89280542 is a deficient number, since it is larger than the sum of its proper divisors (58012450).

89280542 is a wasteful number, since it uses less digits than its factorization.

89280542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73123.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 89280542 is about 9448.8381296327. The cubic root of 89280542 is about 446.9431368026.

The spelling of 89280542 in words is "eighty-nine million, two hundred eighty thousand, five hundred forty-two".

Divisors: 1 2 13 26 47 94 611 1222 73061 146122 949793 1899586 3433867 6867734 44640271 89280542