Search a number
-
+
3197142 = 2321321051
BaseRepresentation
bin1100001100100011010110
320000102122200
430030203112
51304302032
6152305330
736114054
oct14144326
96012580
103197142
111894073
1210a2246
1387c300
145d31d4
1543247c
hex30c8d6

3197142 has 36 divisors (see below), whose sum is σ = 7508124. Its totient is φ = 982800.

The previous prime is 3197141. The next prime is 3197143. The reversal of 3197142 is 2417913.

It is an interprime number because it is at equal distance from previous prime (3197141) and next prime (3197143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3197141) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2517 + ... + 3567.

It is an arithmetic number, because the mean of its divisors is an integer number (208559).

Almost surely, 23197142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3197142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3754062).

3197142 is an abundant number, since it is smaller than the sum of its proper divisors (4310982).

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

3197142 is a wasteful number, since it uses less digits than its factorization.

3197142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1069 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 3197142 is about 1788.0553682702. The cubic root of 3197142 is about 147.3173762034.

The spelling of 3197142 in words is "three million, one hundred ninety-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 169 234 338 507 1014 1051 1521 2102 3042 3153 6306 9459 13663 18918 27326 40989 81978 122967 177619 245934 355238 532857 1065714 1598571 3197142