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83795040 = 25335717163
BaseRepresentation
bin1001111111010…
…01110001100000
312211200020012000
410333221301200
5132422420130
612152004000
72035150260
oct477516140
9184606160
1083795040
11433334aa
1224090600
131448b884
14b1b37a0
157553260
hex4fe9c60

83795040 has 384 divisors, whose sum is σ = 357073920. Its totient is φ = 17915904.

The previous prime is 83795027. The next prime is 83795069. The reversal of 83795040 is 4059738.

83795040 is a `hidden beast` number, since 83 + 79 + 504 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 83794986 and 83795004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 513999 + ... + 514161.

It is an arithmetic number, because the mean of its divisors is an integer number (929880).

Almost surely, 283795040 is an apocalyptic number.

83795040 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 83795040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178536960).

83795040 is an abundant number, since it is smaller than the sum of its proper divisors (273278880).

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

83795040 is a wasteful number, since it uses less digits than its factorization.

83795040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 83795040 is about 9153.9630761764. The cubic root of 83795040 is about 437.5954229953.

The spelling of 83795040 in words is "eighty-three million, seven hundred ninety-five thousand, forty".