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4145288 = 23779937
BaseRepresentation
bin1111110100000010001000
321210121021012
433310002020
52030122123
6224503052
750143250
oct17640210
97717235
104145288
112381464
12147aa88
13b21a44
1479c960
1556d378
hex3f4088

4145288 has 32 divisors (see below), whose sum is σ = 9004800. Its totient is φ = 1752192.

The previous prime is 4145261. The next prime is 4145291. The reversal of 4145288 is 8825414.

It is a happy number.

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, 3956 + ... + 4892.

It is an arithmetic number, because the mean of its divisors is an integer number (281400).

Almost surely, 24145288 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 4145288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4502400).

4145288 is an abundant number, since it is smaller than the sum of its proper divisors (4859512).

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

4145288 is a wasteful number, since it uses less digits than its factorization.

4145288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1025 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 4145288 is about 2035.9980353625. The cubic root of 4145288 is about 160.6392137189.

The spelling of 4145288 in words is "four million, one hundred forty-five thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 79 158 316 553 632 937 1106 1874 2212 3748 4424 6559 7496 13118 26236 52472 74023 148046 296092 518161 592184 1036322 2072644 4145288