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83269969 = 461180629
BaseRepresentation
bin1001111011010…
…01100101010001
312210200112220221
410331221211101
5132304114334
612132433041
72030532406
oct475514521
9183615827
1083269969
1143004a62
1223a78781
1314336893
14b0b82ad
15749c8b4
hex4f69951

83269969 has 4 divisors (see below), whose sum is σ = 83451060. Its totient is φ = 83088880.

The previous prime is 83269957. The next prime is 83269981. The reversal of 83269969 is 96996238.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (83269957) and next prime (83269981).

It can be written as a sum of positive squares in 2 ways, for example, as 64883025 + 18386944 = 8055^2 + 4288^2 .

It is a cyclic number.

It is not a de Polignac number, because 83269969 - 27 = 83269841 is a prime.

It is a super-2 number, since 2×832699692 = 13867775474521922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83269909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89854 + ... + 90775.

It is an arithmetic number, because the mean of its divisors is an integer number (20862765).

Almost surely, 283269969 is an apocalyptic number.

It is an amenable number.

83269969 is a deficient number, since it is larger than the sum of its proper divisors (181091).

83269969 is a wasteful number, since it uses less digits than its factorization.

83269969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181090.

The product of its digits is 1259712, while the sum is 52.

The square root of 83269969 is about 9125.2380242928. The cubic root of 83269969 is about 436.6794966091.

The spelling of 83269969 in words is "eighty-three million, two hundred sixty-nine thousand, nine hundred sixty-nine".

Divisors: 1 461 180629 83269969