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4148284148 = 221636362399
BaseRepresentation
bin1111011101000001…
…1100101011110100
3101201002201200001122
43313100130223310
531443430043043
61523344043112
7204540555611
oct36720345364
911632650048
104148284148
111839664308
12979303498
1351156c608
142b4d13508
151942b6368
hexf741caf4

4148284148 has 12 divisors (see below), whose sum is σ = 7304035200. Its totient is φ = 2061416952.

The previous prime is 4148284139. The next prime is 4148284171. The reversal of 4148284148 is 8414828414.

It is a happy number.

It is a super-2 number, since 2×41482841482 = 34416522745096171808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4148284099 and 4148284108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3180548 + ... + 3181851.

It is an arithmetic number, because the mean of its divisors is an integer number (608669600).

Almost surely, 24148284148 is an apocalyptic number.

It is an amenable number.

4148284148 is a deficient number, since it is larger than the sum of its proper divisors (3155751052).

4148284148 is a wasteful number, since it uses less digits than its factorization.

4148284148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6362566 (or 6362564 counting only the distinct ones).

The product of its digits is 262144, while the sum is 44.

The square root of 4148284148 is about 64407.1746624551. The cubic root of 4148284148 is about 1606.7790688471.

The spelling of 4148284148 in words is "four billion, one hundred forty-eight million, two hundred eighty-four thousand, one hundred forty-eight".

Divisors: 1 2 4 163 326 652 6362399 12724798 25449596 1037071037 2074142074 4148284148