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42761400 = 233521121931
BaseRepresentation
bin1010001100011…
…1110010111000
32222110111121120
42203013302320
541421331100
64124305240
71026315543
oct243076270
988414546
1042761400
1122157300
12123a2220
138b22706
14597185a
153b4a0a0
hex28c7cb8

42761400 has 288 divisors, whose sum is σ = 158323200. Its totient is φ = 9504000.

The previous prime is 42761387. The next prime is 42761417. The reversal of 42761400 is 416724.

42761400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1379385 + ... + 1379415.

Almost surely, 242761400 is an apocalyptic number.

42761400 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 42761400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79161600).

42761400 is an abundant number, since it is smaller than the sum of its proper divisors (115561800).

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

42761400 is a wasteful number, since it uses less digits than its factorization.

42761400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 42761400 is about 6539.2201369888. The cubic root of 42761400 is about 349.6906109441.

The spelling of 42761400 in words is "forty-two million, seven hundred sixty-one thousand, four hundred".