Search a number
-
+
3481992 = 2332137353
BaseRepresentation
bin1101010010000110001000
320112220101200
431102012020
51342410432
6202344200
741411403
oct15220610
96486350
103481992
111a69088
1211bb060
1394bb67
14668d3a
1548ba7c
hex352188

3481992 has 48 divisors (see below), whose sum is σ = 9526140. Its totient is φ = 1148928.

The previous prime is 3481979. The next prime is 3481999. The reversal of 3481992 is 2991843.

It can be written as a sum of positive squares in 2 ways, for example, as 3481956 + 36 = 1866^2 + 6^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3481999) 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, 9688 + ... + 10040.

Almost surely, 23481992 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 3481992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4763070).

3481992 is an abundant number, since it is smaller than the sum of its proper divisors (6044148).

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

3481992 is a wasteful number, since it uses less digits than its factorization.

3481992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 495 counting only the distinct ones).

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

The square root of 3481992 is about 1866.0096462773. The cubic root of 3481992 is about 151.5686059892.

Subtracting from 3481992 its sum of digits (36), we obtain a square (3481956 = 18662).

The spelling of 3481992 in words is "three million, four hundred eighty-one thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 137 274 353 411 548 706 822 1059 1096 1233 1412 1644 2118 2466 2824 3177 3288 4236 4932 6354 8472 9864 12708 25416 48361 96722 145083 193444 290166 386888 435249 580332 870498 1160664 1740996 3481992