Search a number
-
+
42214730 = 254221473
BaseRepresentation
bin1010000100001…
…0010101001010
32221102201201112
42201002111022
541301332410
64104450322
71021551005
oct241022512
987381645
1042214730
1121913608
12121799a2
13899093c
14586c53c
153a8d105
hex284254a

42214730 has 8 divisors (see below), whose sum is σ = 75986532. Its totient is φ = 16885888.

The previous prime is 42214727. The next prime is 42214741. The reversal of 42214730 is 3741224.

It can be written as a sum of positive squares in 2 ways, for example, as 42211009 + 3721 = 6497^2 + 61^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 42214696 and 42214705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110727 + ... + 2110746.

Almost surely, 242214730 is an apocalyptic number.

42214730 is a deficient number, since it is larger than the sum of its proper divisors (33771802).

42214730 is a wasteful number, since it uses less digits than its factorization.

42214730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221480.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 42214730 is about 6497.2863566261. The cubic root of 42214730 is about 348.1940444651.

Adding to 42214730 its reverse (3741224), we get a palindrome (45955954).

The spelling of 42214730 in words is "forty-two million, two hundred fourteen thousand, seven hundred thirty".

Divisors: 1 2 5 10 4221473 8442946 21107365 42214730