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89320791 = 374253371
BaseRepresentation
bin1010101001011…
…10110101010111
320020001222002110
411110232311113
5140331231131
612510242103
72133133320
oct524566527
9206058073
1089320791
114646803a
1225ab6333
1315674a51
14bc11447
157c95646
hex552ed57

89320791 has 8 divisors (see below), whose sum is σ = 136107904. Its totient is φ = 51040440.

The previous prime is 89320789. The next prime is 89320807. The reversal of 89320791 is 19702398.

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

It is not a de Polignac number, because 89320791 - 21 = 89320789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89322791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126665 + ... + 2126706.

It is an arithmetic number, because the mean of its divisors is an integer number (17013488).

Almost surely, 289320791 is an apocalyptic number.

89320791 is a deficient number, since it is larger than the sum of its proper divisors (46787113).

89320791 is a wasteful number, since it uses less digits than its factorization.

89320791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253381.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 89320791 is about 9450.9677282276. The cubic root of 89320791 is about 447.0102895899.

The spelling of 89320791 in words is "eighty-nine million, three hundred twenty thousand, seven hundred ninety-one".

Divisors: 1 3 7 21 4253371 12760113 29773597 89320791