Search a number
-
+
2142541000 = 23532142541
BaseRepresentation
bin111111110110100…
…1001010011001000
312112022120100201101
41333231021103020
513341442303000
6552334031144
7104044204135
oct17755112310
95468510641
102142541000
119aa454846
124b96484b4
13281b64152
141647a158c
15c816be6a
hex7fb494c8

2142541000 has 32 divisors (see below), whose sum is σ = 5013548280. Its totient is φ = 857016000.

The previous prime is 2142540989. The next prime is 2142541033. The reversal of 2142541000 is 1452412.

It can be written as a sum of positive squares in 4 ways, for example, as 361532196 + 1781008804 = 19014^2 + 42202^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070271 + ... + 1072270.

Almost surely, 22142541000 is an apocalyptic number.

2142541000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142541000 is an abundant number, since it is smaller than the sum of its proper divisors (2871007280).

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

2142541000 is a wasteful number, since it uses less digits than its factorization.

2142541000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142562 (or 2142548 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2142541000 is about 46287.5901295369. The cubic root of 2142541000 is about 1289.1685847068.

Adding to 2142541000 its reverse (1452412), we get a palindrome (2143993412).

The spelling of 2142541000 in words is "two billion, one hundred forty-two million, five hundred forty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 2142541 4285082 8570164 10712705 17140328 21425410 42850820 53563525 85701640 107127050 214254100 267817625 428508200 535635250 1071270500 2142541000