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42793400 = 235213109151
BaseRepresentation
bin1010001100111…
…1100110111000
32222112010111202
42203033212320
541423342100
64125113332
71026511046
oct243174670
988463452
1042793400
1122179351
12123b8848
138b34150
14597d396
153b547d5
hex28cf9b8

42793400 has 96 divisors (see below), whose sum is σ = 108847200. Its totient is φ = 15552000.

The previous prime is 42793367. The next prime is 42793433. The reversal of 42793400 is 439724.

It is an interprime number because it is at equal distance from previous prime (42793367) and next prime (42793433).

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, 283325 + ... + 283475.

It is an arithmetic number, because the mean of its divisors is an integer number (1133825).

Almost surely, 242793400 is an apocalyptic number.

42793400 is a gapful number since it is divisible by the number (40) 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 42793400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54423600).

42793400 is an abundant number, since it is smaller than the sum of its proper divisors (66053800).

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

42793400 is a wasteful number, since it uses less digits than its factorization.

42793400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 42793400 is about 6541.6664543524. Note that the first 3 decimals coincide. The cubic root of 42793400 is about 349.7778181713. Note that the first 3 decimals are identical.

The spelling of 42793400 in words is "forty-two million, seven hundred ninety-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 109 130 151 200 218 260 302 325 436 520 545 604 650 755 872 1090 1208 1300 1417 1510 1963 2180 2600 2725 2834 3020 3775 3926 4360 5450 5668 6040 7085 7550 7852 9815 10900 11336 14170 15100 15704 16459 19630 21800 28340 30200 32918 35425 39260 49075 56680 65836 70850 78520 82295 98150 131672 141700 164590 196300 213967 283400 329180 392600 411475 427934 658360 822950 855868 1069835 1645900 1711736 2139670 3291800 4279340 5349175 8558680 10698350 21396700 42793400