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89610097 = 223401839
BaseRepresentation
bin1010101011101…
…01011101110001
320020121122221111
411111311131301
5140420010342
612520353321
72135446633
oct525653561
9206548844
1089610097
1146645435
1226015841
1315746635
14bc88a53
157d01217
hex5575771

89610097 has 4 divisors (see below), whose sum is σ = 90012160. Its totient is φ = 89208036.

The previous prime is 89610049. The next prime is 89610113. The reversal of 89610097 is 79001698.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79001698 = 239500849.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89610097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89610197) 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, 200697 + ... + 201142.

It is an arithmetic number, because the mean of its divisors is an integer number (22503040).

Almost surely, 289610097 is an apocalyptic number.

It is an amenable number.

89610097 is a deficient number, since it is larger than the sum of its proper divisors (402063).

89610097 is a wasteful number, since it uses less digits than its factorization.

89610097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402062.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 89610097 is about 9466.2609830915. The cubic root of 89610097 is about 447.4923848355.

The spelling of 89610097 in words is "eighty-nine million, six hundred ten thousand, ninety-seven".

Divisors: 1 223 401839 89610097