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89942967 = 343730011
BaseRepresentation
bin1010101110001…
…10101110110111
320021020120120000
411113012232313
5141011133332
612531442343
72141334252
oct527065667
9207216500
1089942967
1146852534
12261563b3
1315831cba
14bd34099
157d69b7c
hex55c6bb7

89942967 has 20 divisors (see below), whose sum is σ = 137995176. Its totient is φ = 58339440.

The previous prime is 89942929. The next prime is 89942969. The reversal of 89942967 is 76924998.

It is a de Polignac number, because none of the positive numbers 2k-89942967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89942969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12009 + ... + 18002.

Almost surely, 289942967 is an apocalyptic number.

89942967 is a deficient number, since it is larger than the sum of its proper divisors (48052209).

89942967 is a wasteful number, since it uses less digits than its factorization.

89942967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30060 (or 30051 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 89942967 is about 9483.8266011141. The cubic root of 89942967 is about 448.0457924466.

It can be divided in two parts, 89942 and 967, that added together give a palindrome (90909).

The spelling of 89942967 in words is "eighty-nine million, nine hundred forty-two thousand, nine hundred sixty-seven".

Divisors: 1 3 9 27 37 81 111 333 999 2997 30011 90033 270099 810297 1110407 2430891 3331221 9993663 29980989 89942967