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69212 = 2211313
BaseRepresentation
bin10000111001011100
310111221102
4100321130
54203322
61252232
7405533
oct207134
9114842
1069212
1148000
1234078
1325670
141b31a
1515792
hex10e5c

69212 has 24 divisors (see below), whose sum is σ = 143472. Its totient is φ = 29040.

The previous prime is 69203. The next prime is 69221. The reversal of 69212 is 21296.

It is an interprime number because it is at equal distance from previous prime (69203) and next prime (69221).

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 69212.

It is an unprimeable number.

69212 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5318 + ... + 5330.

It is an arithmetic number, because the mean of its divisors is an integer number (5978).

269212 is an apocalyptic number.

It is an amenable number.

69212 is an abundant number, since it is smaller than the sum of its proper divisors (74260).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71736).

69212 is a wasteful number, since it uses less digits than its factorization.

69212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50 (or 26 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 69212 is about 263.0817363482. The cubic root of 69212 is about 41.0576227250.

The spelling of 69212 in words is "sixty-nine thousand, two hundred twelve".

Divisors: 1 2 4 11 13 22 26 44 52 121 143 242 286 484 572 1331 1573 2662 3146 5324 6292 17303 34606 69212