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83411688 = 2337614567
BaseRepresentation
bin1001111100011…
…00001011101000
312210221202022210
410332030023220
5132323133223
612135445120
72031662523
oct476141350
9183852283
1083411688
11430a1488
1223b267a0
1314386239
14b113bba
1574c9893
hex4f8c2e8

83411688 has 32 divisors (see below), whose sum is σ = 208848960. Its totient is φ = 27761280.

The previous prime is 83411687. The next prime is 83411693. The reversal of 83411688 is 88611438.

It is a Cunningham number, because it is equal to 91332-1.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (83411687) 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 7 ways as a sum of consecutive naturals, for example, 15981 + ... + 20547.

It is an arithmetic number, because the mean of its divisors is an integer number (6526530).

Almost surely, 283411688 is an apocalyptic number.

It is an amenable number.

83411688 is an abundant number, since it is smaller than the sum of its proper divisors (125437272).

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

83411688 is a wasteful number, since it uses less digits than its factorization.

83411688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337 (or 5333 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 83411688 is about 9132.9999452535. Note that the first 4 decimals coincide. The cubic root of 83411688 is about 436.9270876963.

The spelling of 83411688 in words is "eighty-three million, four hundred eleven thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 761 1522 2283 3044 4566 4567 6088 9132 9134 13701 18264 18268 27402 36536 54804 109608 3475487 6950974 10426461 13901948 20852922 27803896 41705844 83411688