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89860380 = 22351497673
BaseRepresentation
bin1010101101100…
…10100100011100
320021002101021020
411112302210130
5141001013010
612530004140
72140541421
oct526624434
9207071236
1089860380
11467a6485
1226116650
131580352c
14bd11d48
157d50470
hex55b291c

89860380 has 24 divisors (see below), whose sum is σ = 251609232. Its totient is φ = 23962752.

The previous prime is 89860373. The next prime is 89860391. The reversal of 89860380 is 8306898.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748777 + ... + 748896.

It is an arithmetic number, because the mean of its divisors is an integer number (10483718).

Almost surely, 289860380 is an apocalyptic number.

It is an amenable number.

89860380 is an abundant number, since it is smaller than the sum of its proper divisors (161748852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89860380 is a wasteful number, since it uses less digits than its factorization.

89860380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497685 (or 1497683 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 89860380 is about 9479.4715042559. The cubic root of 89860380 is about 447.9086162990.

The spelling of 89860380 in words is "eighty-nine million, eight hundred sixty thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1497673 2995346 4493019 5990692 7488365 8986038 14976730 17972076 22465095 29953460 44930190 89860380