[go: up one dir, main page]

Search a number
-
+
42727888 = 247478117
BaseRepresentation
bin1010001011111…
…1100111010000
32222101210122101
42202333213100
541414243023
64123450144
71026116050
oct242774720
988353571
1042727888
1122134105
1212386954
138b10398
145963560
153b401ad
hex28bf9d0

42727888 has 40 divisors (see below), whose sum is σ = 96636672. Its totient is φ = 17920128.

The previous prime is 42727879. The next prime is 42727901. The reversal of 42727888 is 88872724.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206 + ... + 9322.

Almost surely, 242727888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42727888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48318336).

42727888 is an abundant number, since it is smaller than the sum of its proper divisors (53908784).

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

42727888 is a wasteful number, since it uses less digits than its factorization.

42727888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179 (or 8173 counting only the distinct ones).

The product of its digits is 401408, while the sum is 46.

The square root of 42727888 is about 6536.6572496957. The cubic root of 42727888 is about 349.5992365236.

The spelling of 42727888 in words is "forty-two million, seven hundred twenty-seven thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 47 56 94 112 188 329 376 658 752 1316 2632 5264 8117 16234 32468 56819 64936 113638 129872 227276 381499 454552 762998 909104 1525996 2670493 3051992 5340986 6103984 10681972 21363944 42727888