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542215000 = 2354176379
BaseRepresentation
bin100000010100011…
…000101101011000
31101210021101011001
4200110120231120
52102301340000
6125445314344
716302515515
oct4024305530
91353241131
10542215000
11259080178
121317059b4
1388445ba2
145202430c
153290646a
hex20518b58

542215000 has 80 divisors (see below), whose sum is σ = 1345350600. Its totient is φ = 204096000.

The previous prime is 542214997. The next prime is 542215007. The reversal of 542215000 is 512245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542215007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 81811 + ... + 88189.

Almost surely, 2542215000 is an apocalyptic number.

542215000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542215000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672675300).

542215000 is an abundant number, since it is smaller than the sum of its proper divisors (803135600).

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

542215000 is a wasteful number, since it uses less digits than its factorization.

542215000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422 (or 6403 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 542215000 is about 23285.5105161987. The cubic root of 542215000 is about 815.4371799779.

Adding to 542215000 its reverse (512245), we get a palindrome (542727245).

The spelling of 542215000 in words is "five hundred forty-two million, two hundred fifteen thousand".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 125 136 170 200 250 340 425 500 625 680 850 1000 1250 1700 2125 2500 3400 4250 5000 6379 8500 10625 12758 17000 21250 25516 31895 42500 51032 63790 85000 108443 127580 159475 216886 255160 318950 433772 542215 637900 797375 867544 1084430 1275800 1594750 2168860 2711075 3189500 3986875 4337720 5422150 6379000 7973750 10844300 13555375 15947500 21688600 27110750 31895000 54221500 67776875 108443000 135553750 271107500 542215000