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89489942 = 244744971
BaseRepresentation
bin1010101010110…
…00001000010110
320020101120010022
411111120020112
5140402134232
612514025142
72134436423
oct525301026
9206346108
1089489942
1146573133
1225b781b2
1315703a39
14bc56d4a
157cca812
hex5558216

89489942 has 4 divisors (see below), whose sum is σ = 134234916. Its totient is φ = 44744970.

The previous prime is 89489929. The next prime is 89489947. The reversal of 89489942 is 24998498.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89489947) 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 as a sum of consecutive naturals, namely, 22372484 + ... + 22372487.

It is an arithmetic number, because the mean of its divisors is an integer number (33558729).

Almost surely, 289489942 is an apocalyptic number.

89489942 is a deficient number, since it is larger than the sum of its proper divisors (44744974).

89489942 is a wasteful number, since it uses less digits than its factorization.

89489942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44744973.

The product of its digits is 1492992, while the sum is 53.

The square root of 89489942 is about 9459.9123674588. The cubic root of 89489942 is about 447.2922864862.

The spelling of 89489942 in words is "eighty-nine million, four hundred eighty-nine thousand, nine hundred forty-two".

Divisors: 1 2 44744971 89489942