Search a number
-
+
3173142 = 237243251
BaseRepresentation
bin1100000110101100010110
312222012201210
430012230112
51303020032
6152002250
735654100
oct14065426
95865653
103173142
111878035
121090386
138713cb
145c8570
1542a2cc
hex306b16

3173142 has 48 divisors (see below), whose sum is σ = 7584192. Its totient is φ = 882000.

The previous prime is 3173119. The next prime is 3173189. The reversal of 3173142 is 2413713.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12517 + ... + 12767.

It is an arithmetic number, because the mean of its divisors is an integer number (158004).

Almost surely, 23173142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3173142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3792096).

3173142 is an abundant number, since it is smaller than the sum of its proper divisors (4411050).

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

3173142 is a wasteful number, since it uses less digits than its factorization.

3173142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 306 counting only the distinct ones).

The product of its digits is 504, while the sum is 21.

The square root of 3173142 is about 1781.3315244502. The cubic root of 3173142 is about 146.9478272902.

Adding to 3173142 its reverse (2413713), we get a palindrome (5586855).

The spelling of 3173142 in words is "three million, one hundred seventy-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 43 49 86 98 129 147 251 258 294 301 502 602 753 903 1506 1757 1806 2107 3514 4214 5271 6321 10542 10793 12299 12642 21586 24598 32379 36897 64758 73794 75551 151102 226653 453306 528857 1057714 1586571 3173142