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253541928 = 233194191327
BaseRepresentation
bin11110001110010…
…11111000101000
3122200002021010210
433013023320220
51004401320203
641054141120
76166033203
oct1707137050
9580067123
10253541928
11120132892
1270ab17a0
13406b2913
142595c93a
15173d3803
hexf1cbe28

253541928 has 64 divisors (see below), whose sum is σ = 669312000. Its totient is φ = 79814592.

The previous prime is 253541891. The next prime is 253541941. The reversal of 253541928 is 829145352.

It is a Cunningham number, because it is equal to 159232-1.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190401 + ... + 191727.

It is an arithmetic number, because the mean of its divisors is an integer number (10458000).

Almost surely, 2253541928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253541928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334656000).

253541928 is an abundant number, since it is smaller than the sum of its proper divisors (415770072).

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

253541928 is a wasteful number, since it uses less digits than its factorization.

253541928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774 (or 1770 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 253541928 is about 15922.9999685989. Note that the first 4 decimals coincide. The cubic root of 253541928 is about 632.9216177912.

The spelling of 253541928 in words is "two hundred fifty-three million, five hundred forty-one thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 419 456 838 1257 1327 1676 2514 2654 3352 3981 5028 5308 7961 7962 10056 10616 15922 15924 23883 25213 31844 31848 47766 50426 63688 75639 95532 100852 151278 191064 201704 302556 556013 605112 1112026 1668039 2224052 3336078 4448104 6672156 10564247 13344312 21128494 31692741 42256988 63385482 84513976 126770964 253541928