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542130 = 235171063
BaseRepresentation
bin10000100010110110010
31000112122220
42010112302
5114322010
615341510
74415361
oct2042662
91015586
10542130
11340346
12221896
1315c9b4
141017d8
15aa970
hex845b2

542130 has 32 divisors (see below), whose sum is σ = 1378944. Its totient is φ = 135936.

The previous prime is 542123. The next prime is 542131. The reversal of 542130 is 31245.

542130 = T244 + T245 + ... + T260.

542130 = 342 + 352 + ... + 1182.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542131) 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, 22 + ... + 1041.

It is an arithmetic number, because the mean of its divisors is an integer number (43092).

2542130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689472).

542130 is an abundant number, since it is smaller than the sum of its proper divisors (836814).

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

542130 is a wasteful number, since it uses less digits than its factorization.

542130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 542130 is about 736.2947779253. The cubic root of 542130 is about 81.5394567249.

Adding to 542130 its reverse (31245), we get a palindrome (573375).

The spelling of 542130 in words is "five hundred forty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 1063 2126 3189 5315 6378 10630 15945 18071 31890 36142 54213 90355 108426 180710 271065 542130