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69228136 = 238653517
BaseRepresentation
bin1000010000001…
…01011001101000
311211021011011001
410020011121220
5120210300021
610511444344
71500300205
oct410053150
9154234131
1069228136
113609413a
121b2266b4
131145b3c3
1492a0cac
156127091
hex4205668

69228136 has 8 divisors (see below), whose sum is σ = 129802770. Its totient is φ = 34614064.

The previous prime is 69228113. The next prime is 69228139. The reversal of 69228136 is 63182296.

It can be written as a sum of positive squares in only one way, i.e., 56340036 + 12888100 = 7506^2 + 3590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×692281363 (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 69228095 and 69228104.

It is not an unprimeable number, because it can be changed into a prime (69228139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4326751 + ... + 4326766.

Almost surely, 269228136 is an apocalyptic number.

It is an amenable number.

69228136 is a deficient number, since it is larger than the sum of its proper divisors (60574634).

69228136 is a wasteful number, since it uses less digits than its factorization.

69228136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8653523 (or 8653519 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 69228136 is about 8320.3447043978. The cubic root of 69228136 is about 410.6081318484.

The spelling of 69228136 in words is "sixty-nine million, two hundred twenty-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 8 8653517 17307034 34614068 69228136