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83536080 = 24351312657
BaseRepresentation
bin1001111101010…
…10100011010000
312211012001221220
410332222203100
5132341123310
612142245040
72033021265
oct476524320
9184161856
1083536080
1143176991
1223b86780
13143caa44
14b14726c
157501670
hex4faa8d0

83536080 has 80 divisors (see below), whose sum is σ = 261036864. Its totient is φ = 22097920.

The previous prime is 83536073. The next prime is 83536087. The reversal of 83536080 is 8063538.

It is an interprime number because it is at equal distance from previous prime (83536073) and next prime (83536087).

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 (83536087) 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, 30112 + ... + 32768.

Almost surely, 283536080 is an apocalyptic number.

83536080 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 83536080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130518432).

83536080 is an abundant number, since it is smaller than the sum of its proper divisors (177500784).

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

83536080 is a wasteful number, since it uses less digits than its factorization.

83536080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804 (or 2798 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 83536080 is about 9139.8074377965. The cubic root of 83536080 is about 437.1441765337.

The spelling of 83536080 in words is "eighty-three million, five hundred thirty-six thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 131 240 262 393 524 655 786 1048 1310 1572 1965 2096 2620 2657 3144 3930 5240 5314 6288 7860 7971 10480 10628 13285 15720 15942 21256 26570 31440 31884 39855 42512 53140 63768 79710 106280 127536 159420 212560 318840 348067 637680 696134 1044201 1392268 1740335 2088402 2784536 3480670 4176804 5221005 5569072 6961340 8353608 10442010 13922680 16707216 20884020 27845360 41768040 83536080