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3992948 = 22998237
BaseRepresentation
bin1111001110110101110100
321111212021222
433032311310
52010233243
6221325512
745640151
oct17166564
97455258
103992948
112287a63
121406898
13a9a5bb
1475d228
1553d168
hex3ced74

3992948 has 6 divisors (see below), whose sum is σ = 6987666. Its totient is φ = 1996472.

The previous prime is 3992939. The next prime is 3992951. The reversal of 3992948 is 8492993.

It can be written as a sum of positive squares in only one way, i.e., 3952144 + 40804 = 1988^2 + 202^2 .

It is a d-powerful number, because it can be written as 312 + 94 + 96 + 221 + 96 + 49 + 85 .

It is a junction number, because it is equal to n+sod(n) for n = 3992899 and 3992908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499115 + ... + 499122.

It is an arithmetic number, because the mean of its divisors is an integer number (1164611).

Almost surely, 23992948 is an apocalyptic number.

It is an amenable number.

3992948 is a deficient number, since it is larger than the sum of its proper divisors (2994718).

3992948 is a wasteful number, since it uses less digits than its factorization.

3992948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998241 (or 998239 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 3992948 is about 1998.2362222720. The cubic root of 3992948 is about 158.6467640533.

The spelling of 3992948 in words is "three million, nine hundred ninety-two thousand, nine hundred forty-eight".

Divisors: 1 2 4 998237 1996474 3992948