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89427620 = 2254471381
BaseRepresentation
bin1010101010010…
…00111010100100
320020021101122002
411111020322210
5140343140440
612512424432
72134056632
oct525107244
9206241562
1089427620
1146530327
1225b48118
13156b1569
14bc3c352
157cb7115
hex5548ea4

89427620 has 12 divisors (see below), whose sum is σ = 187798044. Its totient is φ = 35771040.

The previous prime is 89427607. The next prime is 89427641. The reversal of 89427620 is 2672498.

It can be written as a sum of positive squares in 2 ways, for example, as 36312676 + 53114944 = 6026^2 + 7288^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235671 + ... + 2235710.

It is an arithmetic number, because the mean of its divisors is an integer number (15649837).

Almost surely, 289427620 is an apocalyptic number.

It is an amenable number.

89427620 is an abundant number, since it is smaller than the sum of its proper divisors (98370424).

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

89427620 is a wasteful number, since it uses less digits than its factorization.

89427620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471390 (or 4471388 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 89427620 is about 9456.6177886177. The cubic root of 89427620 is about 447.1884289171.

The spelling of 89427620 in words is "eighty-nine million, four hundred twenty-seven thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 4471381 8942762 17885524 22356905 44713810 89427620