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49170 = 23511149
BaseRepresentation
bin1100000000010010
32111110010
430000102
53033140
61015350
7263232
oct140022
974403
1049170
1133a40
1224556
13194c4
1413cc2
15e880
hexc012

49170 has 32 divisors (see below), whose sum is σ = 129600. Its totient is φ = 11840.

The previous prime is 49169. The next prime is 49171. The reversal of 49170 is 7194.

49170 = T89 + T90 + ... + T99.

It is an interprime number because it is at equal distance from previous prime (49169) and next prime (49171).

It is a plaindrome in base 12.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (49171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256 + ... + 404.

It is an arithmetic number, because the mean of its divisors is an integer number (4050).

249170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64800).

49170 is an abundant number, since it is smaller than the sum of its proper divisors (80430).

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

49170 is a wasteful number, since it uses less digits than its factorization.

49170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 49170 is about 221.7430945937. The cubic root of 49170 is about 36.6353267560.

It can be divided in two parts, 491 and 70, that added together give a triangular number (561 = T33).

The spelling of 49170 in words is "forty-nine thousand, one hundred seventy".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 149 165 298 330 447 745 894 1490 1639 2235 3278 4470 4917 8195 9834 16390 24585 49170