[go: up one dir, main page]

Search a number
-
+
42055454 = 2723131997
BaseRepresentation
bin1010000001101…
…1011100011110
32221010122020102
42200123130132
541231233304
64101221102
71020315440
oct240333436
987118212
1042055454
1121814981
1212101792
1389362ac
14582a490
153a5ad1e
hex281b71e

42055454 has 32 divisors (see below), whose sum is σ = 75879936. Its totient is φ = 17091360.

The previous prime is 42055451. The next prime is 42055471. The reversal of 42055454 is 45455024.

42055454 = T252 + T253 + ... + T644.

42055454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×420554542 = 3537322422292232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42055451) 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 15 ways as a sum of consecutive naturals, for example, 41684 + ... + 42680.

It is an arithmetic number, because the mean of its divisors is an integer number (2371248).

Almost surely, 242055454 is an apocalyptic number.

42055454 is a deficient number, since it is larger than the sum of its proper divisors (33824482).

42055454 is a wasteful number, since it uses less digits than its factorization.

42055454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 42055454 is about 6485.0176561055. The cubic root of 42055454 is about 347.7555810030.

The spelling of 42055454 in words is "forty-two million, fifty-five thousand, four hundred fifty-four".

Divisors: 1 2 7 14 23 46 131 161 262 322 917 997 1834 1994 3013 6026 6979 13958 21091 22931 42182 45862 130607 160517 261214 321034 914249 1828498 3003961 6007922 21027727 42055454