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89038550 = 2521780771
BaseRepresentation
bin1010100111010…
…01111011010110
320012112121221002
411103221323112
5140243213200
612500223302
72130546416
oct523517326
9205477832
1089038550
1146294a87
122599ab32
13155a6443
14bb7a646
157c3bbd5
hex54e9ed6

89038550 has 12 divisors (see below), whose sum is σ = 165611796. Its totient is φ = 35615400.

The previous prime is 89038549. The next prime is 89038559. The reversal of 89038550 is 5583098.

It is a super-2 number, since 2×890385502 = 15855726772205000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89038559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 890336 + ... + 890435.

It is an arithmetic number, because the mean of its divisors is an integer number (13800983).

Almost surely, 289038550 is an apocalyptic number.

89038550 is a deficient number, since it is larger than the sum of its proper divisors (76573246).

89038550 is a wasteful number, since it uses less digits than its factorization.

89038550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780783 (or 1780778 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 89038550 is about 9436.0240567731. The cubic root of 89038550 is about 446.5389631461.

The spelling of 89038550 in words is "eighty-nine million, thirty-eight thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 1780771 3561542 8903855 17807710 44519275 89038550