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83040276 = 223116110313
BaseRepresentation
bin1001111001100…
…01100000010100
312210020212211210
410330301200110
5132224242101
612123501420
72025554634
oct474614024
9183225753
1083040276
1142968430
1223987870
1314286177
14b0586c4
1574547d6
hex4f31814

83040276 has 48 divisors (see below), whose sum is σ = 214861248. Its totient is φ = 24748800.

The previous prime is 83040271. The next prime is 83040301. The reversal of 83040276 is 67204038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83040271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2896 + ... + 13208.

It is an arithmetic number, because the mean of its divisors is an integer number (4476276).

Almost surely, 283040276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83040276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107430624).

83040276 is an abundant number, since it is smaller than the sum of its proper divisors (131820972).

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

83040276 is a wasteful number, since it uses less digits than its factorization.

83040276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10392 (or 10390 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 83040276 is about 9112.6437437222. The cubic root of 83040276 is about 436.2776126670.

The spelling of 83040276 in words is "eighty-three million, forty thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 61 66 122 132 183 244 366 671 732 1342 2013 2684 4026 8052 10313 20626 30939 41252 61878 113443 123756 226886 340329 453772 629093 680658 1258186 1361316 1887279 2516372 3774558 6920023 7549116 13840046 20760069 27680092 41520138 83040276