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89623937 = 136894149
BaseRepresentation
bin1010101011110…
…00110110000001
320020122100221002
411111320312001
5140420431222
612520541345
72135535164
oct525706601
9206570832
1089623937
1146654877
1226021855
131574ca20
14bc8dadb
157d05392
hex5578d81

89623937 has 4 divisors (see below), whose sum is σ = 96518100. Its totient is φ = 82729776.

The previous prime is 89623927. The next prime is 89623951. The reversal of 89623937 is 73932698.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34210801 + 55413136 = 5849^2 + 7444^2 .

It is a cyclic number.

It is not a de Polignac number, because 89623937 - 26 = 89623873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89623891 and 89623900.

It is not an unprimeable number, because it can be changed into a prime (89623907) 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 3 ways as a sum of consecutive naturals, for example, 3447062 + ... + 3447087.

It is an arithmetic number, because the mean of its divisors is an integer number (24129525).

Almost surely, 289623937 is an apocalyptic number.

It is an amenable number.

89623937 is a deficient number, since it is larger than the sum of its proper divisors (6894163).

89623937 is a wasteful number, since it uses less digits than its factorization.

89623937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6894162.

The product of its digits is 489888, while the sum is 47.

The square root of 89623937 is about 9466.9919721103. The cubic root of 89623937 is about 447.5154215840.

The spelling of 89623937 in words is "eighty-nine million, six hundred twenty-three thousand, nine hundred thirty-seven".

Divisors: 1 13 6894149 89623937