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69248428 = 22101181947
BaseRepresentation
bin1000010000010…
…10010110101100
311211022011222121
410020022112230
5120211422203
610512122324
71500413314
oct410122654
9154264877
1069248428
11360a8407
121b2363a4
1311467702
1492a8444
15612d0bd
hex420a5ac

69248428 has 24 divisors (see below), whose sum is σ = 123190704. Its totient is φ = 34056000.

The previous prime is 69248419. The next prime is 69248441. The reversal of 69248428 is 82484296.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72651 + ... + 73597.

It is an arithmetic number, because the mean of its divisors is an integer number (5132946).

Almost surely, 269248428 is an apocalyptic number.

It is an amenable number.

69248428 is a deficient number, since it is larger than the sum of its proper divisors (53942276).

69248428 is a wasteful number, since it uses less digits than its factorization.

69248428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1231 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 69248428 is about 8321.5640356846. The cubic root of 69248428 is about 410.6482467821.

The spelling of 69248428 in words is "sixty-nine million, two hundred forty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 4 101 181 202 362 404 724 947 1894 3788 18281 36562 73124 95647 171407 191294 342814 382588 685628 17312107 34624214 69248428