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69628892 = 22149116827
BaseRepresentation
bin1000010011001…
…11001111011100
311212000111212212
410021213033130
5120311111032
610524215552
71503556454
oct411471734
9155014785
1069628892
1136338243
121b39a5b8
131156b938
149366d64
1561a5bb2
hex42673dc

69628892 has 12 divisors (see below), whose sum is σ = 122669400. Its totient is φ = 34580496.

The previous prime is 69628891. The next prime is 69628907. The reversal of 69628892 is 29882696.

It is a super-2 number, since 2×696288922 = 9696365202295328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69628892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69628891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57818 + ... + 59009.

It is an arithmetic number, because the mean of its divisors is an integer number (10222450).

Almost surely, 269628892 is an apocalyptic number.

It is an amenable number.

69628892 is a deficient number, since it is larger than the sum of its proper divisors (53040508).

69628892 is a wasteful number, since it uses less digits than its factorization.

69628892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116980 (or 116978 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 69628892 is about 8344.3928478949. The cubic root of 69628892 is about 411.3989334406.

The spelling of 69628892 in words is "sixty-nine million, six hundred twenty-eight thousand, eight hundred ninety-two".

Divisors: 1 2 4 149 298 596 116827 233654 467308 17407223 34814446 69628892