[go: up one dir, main page]

Search a number
-
+
42572707 = 223190909
BaseRepresentation
bin1010001001100…
…1101110100011
32222002220202221
42202121232203
541344311312
64120251511
71024601452
oct242315643
988086687
1042572707
1122038561
1212310b97
138a87868
145922b99
153b0e207
hex2899ba3

42572707 has 4 divisors (see below), whose sum is σ = 42763840. Its totient is φ = 42381576.

The previous prime is 42572687. The next prime is 42572729. The reversal of 42572707 is 70727524.

42572707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42572707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42572767) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 95232 + ... + 95677.

It is an arithmetic number, because the mean of its divisors is an integer number (10690960).

Almost surely, 242572707 is an apocalyptic number.

42572707 is a deficient number, since it is larger than the sum of its proper divisors (191133).

42572707 is a wasteful number, since it uses less digits than its factorization.

42572707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191132.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 42572707 is about 6524.7763946361. The cubic root of 42572707 is about 349.1754932204.

The spelling of 42572707 in words is "forty-two million, five hundred seventy-two thousand, seven hundred seven".

Divisors: 1 223 190909 42572707