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69284136 = 2332886839
BaseRepresentation
bin1000010000100…
…11000100101000
311211100222222010
410020103010220
5120214043021
610512555520
71500622365
oct410230450
9154328863
1069284136
1136122219
121b252ba0
131147aa3c
1492b746c
156138976
hex4213128

69284136 has 16 divisors (see below), whose sum is σ = 173210400. Its totient is φ = 23094704.

The previous prime is 69284123. The next prime is 69284147. The reversal of 69284136 is 63148296.

It is a junction number, because it is equal to n+sod(n) for n = 69284094 and 69284103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443396 + ... + 1443443.

It is an arithmetic number, because the mean of its divisors is an integer number (10825650).

Almost surely, 269284136 is an apocalyptic number.

It is an amenable number.

69284136 is an abundant number, since it is smaller than the sum of its proper divisors (103926264).

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

69284136 is a wasteful number, since it uses less digits than its factorization.

69284136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886848 (or 2886844 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 69284136 is about 8323.7092693102. The cubic root of 69284136 is about 410.7188183380.

The spelling of 69284136 in words is "sixty-nine million, two hundred eighty-four thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 2886839 5773678 8660517 11547356 17321034 23094712 34642068 69284136