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542808750 = 23541113159
BaseRepresentation
bin100000010110101…
…001101010101110
31101211101112121210
4200112221222232
52102424340000
6125510135250
716310540541
oct4026515256
91354345553
10542808750
11259446280
12131951526
13885c3213
145213a858
15329c2350
hex205a9aae

542808750 has 80 divisors (see below), whose sum is σ = 1480026240. Its totient is φ = 131580000.

The previous prime is 542808733. The next prime is 542808757. The reversal of 542808750 is 57808245.

It is a junction number, because it is equal to n+sod(n) for n = 542808699 and 542808708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542808757) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34671 + ... + 47829.

It is an arithmetic number, because the mean of its divisors is an integer number (18500328).

Almost surely, 2542808750 is an apocalyptic number.

542808750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 542808750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740013120).

542808750 is an abundant number, since it is smaller than the sum of its proper divisors (937217490).

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

542808750 is a wasteful number, since it uses less digits than its factorization.

542808750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13195 (or 13180 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 542808750 is about 23298.2563725271. The cubic root of 542808750 is about 815.7347182885.

The spelling of 542808750 in words is "five hundred forty-two million, eight hundred eight thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 75 110 125 150 165 250 275 330 375 550 625 750 825 1250 1375 1650 1875 2750 3750 4125 6875 8250 13159 13750 20625 26318 39477 41250 65795 78954 131590 144749 197385 289498 328975 394770 434247 657950 723745 868494 986925 1447490 1644875 1973850 2171235 3289750 3618725 4342470 4934625 7237450 8224375 9869250 10856175 16448750 18093625 21712350 24673125 36187250 49346250 54280875 90468125 108561750 180936250 271404375 542808750