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89705942 = 2127353173
BaseRepresentation
bin1010101100011…
…00110111010110
320020210112102022
411112030313112
5140431042232
612522413142
72136326234
oct526146726
9206715368
1089705942
1146700447
12260611b2
131577b151
14bcb1954
157d1e812
hex558cdd6

89705942 has 8 divisors (see below), whose sum is σ = 135618816. Its totient is φ = 44499672.

The previous prime is 89705933. The next prime is 89705947. The reversal of 89705942 is 24950798.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 89705893 and 89705902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89705947) 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, 176333 + ... + 176840.

It is an arithmetic number, because the mean of its divisors is an integer number (16952352).

Almost surely, 289705942 is an apocalyptic number.

89705942 is a deficient number, since it is larger than the sum of its proper divisors (45912874).

89705942 is a wasteful number, since it uses less digits than its factorization.

89705942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353302.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 89705942 is about 9471.3220830040. The cubic root of 89705942 is about 447.6518706776.

The spelling of 89705942 in words is "eighty-nine million, seven hundred five thousand, nine hundred forty-two".

Divisors: 1 2 127 254 353173 706346 44852971 89705942