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89423013 = 354754493
BaseRepresentation
bin1010101010001…
…11110010100101
320020021011022110
411111013302211
5140343014023
612512351233
72134040331
oct525076245
9206234273
1089423013
1146527919
1225b45519
13156ac434
14bc3a7c1
157cb5a93
hex5547ca5

89423013 has 8 divisors (see below), whose sum is σ = 119450848. Its totient is φ = 59505264.

The previous prime is 89422997. The next prime is 89423021. The reversal of 89423013 is 31032498.

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

It is not a de Polignac number, because 89423013 - 24 = 89422997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89423083) 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, 25606 + ... + 28887.

It is an arithmetic number, because the mean of its divisors is an integer number (14931356).

Almost surely, 289423013 is an apocalyptic number.

It is an amenable number.

89423013 is a deficient number, since it is larger than the sum of its proper divisors (30027835).

89423013 is a wasteful number, since it uses less digits than its factorization.

89423013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55043.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 89423013 is about 9456.3741994488. The cubic root of 89423013 is about 447.1807495876.

The spelling of 89423013 in words is "eighty-nine million, four hundred twenty-three thousand, thirteen".

Divisors: 1 3 547 1641 54493 163479 29807671 89423013