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3992148 = 2232173641
BaseRepresentation
bin1111001110101001010100
321111211012100
433032221110
52010222043
6221322100
745634626
oct17165124
97454170
103992148
1122873a6
121406330
13a9a124
1475cc16
1553ccd3
hex3cea54

3992148 has 36 divisors (see below), whose sum is σ = 10165428. Its totient is φ = 1320960.

The previous prime is 3992143. The next prime is 3992159. The reversal of 3992148 is 8412993.

It can be written as a sum of positive squares in 2 ways, for example, as 3617604 + 374544 = 1902^2 + 612^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3992141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5908 + ... + 6548.

It is an arithmetic number, because the mean of its divisors is an integer number (282373).

Almost surely, 23992148 is an apocalyptic number.

It is an amenable number.

3992148 is an abundant number, since it is smaller than the sum of its proper divisors (6173280).

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

3992148 is a wasteful number, since it uses less digits than its factorization.

3992148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 819 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 3992148 is about 1998.0360357111. The cubic root of 3992148 is about 158.6361682155.

The spelling of 3992148 in words is "three million, nine hundred ninety-two thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 173 346 519 641 692 1038 1282 1557 1923 2076 2564 3114 3846 5769 6228 7692 11538 23076 110893 221786 332679 443572 665358 998037 1330716 1996074 3992148