[go: up one dir, main page]

Search a number
-
+
42983977 = 191313719
BaseRepresentation
bin1010001111111…
…0001000101001
32222212210221011
42203332020221
542000441402
64133143521
71031233501
oct243761051
988783834
1042983977
1122299553
121248aba1
138b9cb0a
1459cca01
153b90ed7
hex28fe229

42983977 has 8 divisors (see below), whose sum is σ = 43407360. Its totient is φ = 42563040.

The previous prime is 42983971. The next prime is 42983981. The reversal of 42983977 is 77938924.

42983977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42983977 - 211 = 42981929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42983977.

It is not an unprimeable number, because it can be changed into a prime (42983971) 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 7 ways as a sum of consecutive naturals, for example, 59424 + ... + 60142.

It is an arithmetic number, because the mean of its divisors is an integer number (5425920).

Almost surely, 242983977 is an apocalyptic number.

It is an amenable number.

42983977 is a deficient number, since it is larger than the sum of its proper divisors (423383).

42983977 is a wasteful number, since it uses less digits than its factorization.

42983977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its digits is 762048, while the sum is 49.

The square root of 42983977 is about 6556.2166681708. The cubic root of 42983977 is about 350.2962851696.

The spelling of 42983977 in words is "forty-two million, nine hundred eighty-three thousand, nine hundred seventy-seven".

Divisors: 1 191 313 719 59783 137329 225047 42983977