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83392080 = 2435379391
BaseRepresentation
bin1001111100001…
…11011001010000
312210220202102120
410332013121100
5132322021310
612135214240
72031551412
oct476073120
9183822376
1083392080
1143088782
1223b17380
131437a335
14b10a9b2
1574c3b70
hex4f87650

83392080 has 80 divisors (see below), whose sum is σ = 265530624. Its totient is φ = 21634560.

The previous prime is 83392027. The next prime is 83392087. The reversal of 83392080 is 8029338.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83392087) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4185 + ... + 13575.

Almost surely, 283392080 is an apocalyptic number.

83392080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83392080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132765312).

83392080 is an abundant number, since it is smaller than the sum of its proper divisors (182138544).

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

83392080 is a wasteful number, since it uses less digits than its factorization.

83392080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9444 (or 9438 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 83392080 is about 9131.9264123185. The cubic root of 83392080 is about 436.8928481393.

The spelling of 83392080 in words is "eighty-three million, three hundred ninety-two thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 37 40 48 60 74 80 111 120 148 185 222 240 296 370 444 555 592 740 888 1110 1480 1776 2220 2960 4440 8880 9391 18782 28173 37564 46955 56346 75128 93910 112692 140865 150256 187820 225384 281730 347467 375640 450768 563460 694934 751280 1042401 1126920 1389868 1737335 2084802 2253840 2779736 3474670 4169604 5212005 5559472 6949340 8339208 10424010 13898680 16678416 20848020 27797360 41696040 83392080