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83352869 = 382321803
BaseRepresentation
bin1001111011111…
…01110100100101
312210211202122022
410331331310211
5132314242434
612134312525
72031326165
oct475756445
9183752568
1083352869
1143061276
1223ab8745
1314365532
14b0da5a5
1574b722e
hex4f7dd25

83352869 has 4 divisors (see below), whose sum is σ = 83378496. Its totient is φ = 83327244.

The previous prime is 83352847. The next prime is 83352911. The reversal of 83352869 is 96825338.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83352869 is a prime.

It is a super-2 number, since 2×833528692 = 13895401541062322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83351869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7079 + ... + 14724.

It is an arithmetic number, because the mean of its divisors is an integer number (20844624).

Almost surely, 283352869 is an apocalyptic number.

It is an amenable number.

83352869 is a deficient number, since it is larger than the sum of its proper divisors (25627).

83352869 is a wasteful number, since it uses less digits than its factorization.

83352869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25626.

The product of its digits is 311040, while the sum is 44.

The square root of 83352869 is about 9129.7792415808. The cubic root of 83352869 is about 436.8243616549.

The spelling of 83352869 in words is "eighty-three million, three hundred fifty-two thousand, eight hundred sixty-nine".

Divisors: 1 3823 21803 83352869