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69885101 = 11133971231
BaseRepresentation
bin1000010101001…
…01110010101101
311212111112100002
410022211302231
5120342310401
610533514045
71506004436
oct412456255
9155445302
1069885101
11364a2790
121b4a2925
131162b440
1493d248d
156206a6b
hex42a5cad

69885101 has 16 divisors (see below), whose sum is σ = 82376448. Its totient is φ = 58449600.

The previous prime is 69885091. The next prime is 69885103. The reversal of 69885101 is 10158896.

It is not a de Polignac number, because 69885101 - 26 = 69885037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69885103) 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 15 ways as a sum of consecutive naturals, for example, 56156 + ... + 57386.

It is an arithmetic number, because the mean of its divisors is an integer number (5148528).

Almost surely, 269885101 is an apocalyptic number.

It is an amenable number.

69885101 is a deficient number, since it is larger than the sum of its proper divisors (12491347).

69885101 is a wasteful number, since it uses less digits than its factorization.

69885101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 69885101 is about 8359.7309167221. The cubic root of 69885101 is about 411.9029152745.

The spelling of 69885101 in words is "sixty-nine million, eight hundred eighty-five thousand, one hundred one".

Divisors: 1 11 13 143 397 1231 4367 5161 13541 16003 56771 176033 488707 5375777 6353191 69885101