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89839386 = 23271324219
BaseRepresentation
bin1010101101011…
…01011100011010
320021001022110200
411112231130122
5140444330021
612525323030
72140423260
oct526553432
9207038420
1089839386
114679172a
1226106476
13157c6b00
14bd08430
157d49126
hex55ad71a

89839386 has 72 divisors (see below), whose sum is σ = 240945120. Its totient is φ = 23688288.

The previous prime is 89839331. The next prime is 89839411. The reversal of 89839386 is 68393898.

It is a super-3 number, since 3×898393863 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19185 + ... + 23403.

It is an arithmetic number, because the mean of its divisors is an integer number (3346460).

Almost surely, 289839386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89839386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120472560).

89839386 is an abundant number, since it is smaller than the sum of its proper divisors (151105734).

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

89839386 is a wasteful number, since it uses less digits than its factorization.

89839386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260 (or 4244 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 89839386 is about 9478.3640993581. The cubic root of 89839386 is about 447.8737320861.

The spelling of 89839386 in words is "eighty-nine million, eight hundred thirty-nine thousand, three hundred eighty-six".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 169 182 234 273 338 507 546 819 1014 1183 1521 1638 2366 3042 3549 4219 7098 8438 10647 12657 21294 25314 29533 37971 54847 59066 75942 88599 109694 164541 177198 265797 329082 383929 493623 531594 713011 767858 987246 1151787 1426022 2139033 2303574 3455361 4278066 4991077 6417099 6910722 9982154 12834198 14973231 29946462 44919693 89839386