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542338400 = 25525312791
BaseRepresentation
bin100000010100110…
…110110101100000
31101210111122102102
4200110312311200
52102314312100
6125452105532
716303541342
oct4024666540
91353448372
10542338400
1125915495a
121317652a8
138848a0c6
1452057292
153292ccd5
hex20536d60

542338400 has 72 divisors (see below), whose sum is σ = 1349069904. Its totient is φ = 212825600.

The previous prime is 542338361. The next prime is 542338409. The reversal of 542338400 is 4833245.

It is a super-2 number, since 2×5423384002 = 588261880229120000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542338409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36005 + ... + 48795.

It is an arithmetic number, because the mean of its divisors is an integer number (18737082).

Almost surely, 2542338400 is an apocalyptic number.

542338400 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 542338400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674534952).

542338400 is an abundant number, since it is smaller than the sum of its proper divisors (806731504).

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

542338400 is a wasteful number, since it uses less digits than its factorization.

542338400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12864 (or 12851 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 542338400 is about 23288.1600818957. The cubic root of 542338400 is about 815.4990357089.

The spelling of 542338400 in words is "five hundred forty-two million, three hundred thirty-eight thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 53 80 100 106 160 200 212 265 400 424 530 800 848 1060 1325 1696 2120 2650 4240 5300 8480 10600 12791 21200 25582 42400 51164 63955 102328 127910 204656 255820 319775 409312 511640 639550 677923 1023280 1279100 1355846 2046560 2558200 2711692 3389615 5116400 5423384 6779230 10232800 10846768 13558460 16948075 21693536 27116920 33896150 54233840 67792300 108467680 135584600 271169200 542338400