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89087039 = 129768687
BaseRepresentation
bin1010100111101…
…01110000111111
320012122002102222
411103311300333
5140301241124
612501235555
72131140656
oct523656077
9205562388
1089087039
1146318458
1225a02bbb
13155c2532
14bb9019d
157c4b25e
hex54f5c3f

89087039 has 4 divisors (see below), whose sum is σ = 89157024. Its totient is φ = 89017056.

The previous prime is 89087017. The next prime is 89087041. The reversal of 89087039 is 93078098.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89087039 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 (89087059) 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 3 ways as a sum of consecutive naturals, for example, 33047 + ... + 35640.

It is an arithmetic number, because the mean of its divisors is an integer number (22289256).

Almost surely, 289087039 is an apocalyptic number.

89087039 is a deficient number, since it is larger than the sum of its proper divisors (69985).

89087039 is a wasteful number, since it uses less digits than its factorization.

89087039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69984.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 89087039 is about 9438.5930625279. The cubic root of 89087039 is about 446.6200078115.

The spelling of 89087039 in words is "eighty-nine million, eighty-seven thousand, thirty-nine".

Divisors: 1 1297 68687 89087039