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542152400 = 24528997157
BaseRepresentation
bin100000010100001…
…001011011010000
31101210011012021112
4200110021123100
52102242334100
6125444112452
716302135146
oct4024113320
91353135245
10542152400
11259038139
12131695728
138842354a
1452009596
15328e2b35
hex205096d0

542152400 has 120 divisors (see below), whose sum is σ = 1339211160. Its totient is φ = 210862080.

The previous prime is 542152399. The next prime is 542152411. The reversal of 542152400 is 4251245.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 296666176 + 245486224 = 17224^2 + 15668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3453122 + ... + 3453278.

It is an arithmetic number, because the mean of its divisors is an integer number (11160093).

Almost surely, 2542152400 is an apocalyptic number.

542152400 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 542152400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669605580).

542152400 is an abundant number, since it is smaller than the sum of its proper divisors (797058760).

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

542152400 is a wasteful number, since it uses less digits than its factorization.

542152400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 542152400 is about 23284.1662938573. The cubic root of 542152400 is about 815.4057973886.

The spelling of 542152400 in words is "five hundred forty-two million, one hundred fifty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 89 97 100 157 178 194 200 314 356 388 400 445 485 628 712 776 785 890 970 1256 1424 1552 1570 1780 1940 2225 2425 2512 3140 3560 3880 3925 4450 4850 6280 7120 7760 7850 8633 8900 9700 12560 13973 15229 15700 17266 17800 19400 27946 30458 31400 34532 35600 38800 43165 55892 60916 62800 69064 69865 76145 86330 111784 121832 138128 139730 152290 172660 215825 223568 243664 279460 304580 345320 349325 380725 431650 558920 609160 690640 698650 761450 863300 1117840 1218320 1355381 1397300 1522900 1726600 2710762 2794600 3045800 3453200 5421524 5589200 6091600 6776905 10843048 13553810 21686096 27107620 33884525 54215240 67769050 108430480 135538100 271076200 542152400