Search a number
-
+
7421430706 = 226449140297
BaseRepresentation
bin1101110100101101…
…00000101110110010
3201011012201202000221
412322112200232302
5110144341240311
63224231003254
7351624056134
oct67226405662
921135652027
107421430706
113169227808
12153150952a
1391370bc21
145058dd054
152d6812671
hex1ba5a0bb2

7421430706 has 8 divisors (see below), whose sum is σ = 11132646300. Its totient is φ = 3710548608.

The previous prime is 7421430683. The next prime is 7421430763. The reversal of 7421430706 is 6070341247.

It can be written as a sum of positive squares in 2 ways, for example, as 7098905025 + 322525681 = 84255^2 + 17959^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17251 + ... + 123046.

Almost surely, 27421430706 is an apocalyptic number.

7421430706 is a deficient number, since it is larger than the sum of its proper divisors (3711215594).

7421430706 is a wasteful number, since it uses less digits than its factorization.

7421430706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166748.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 7421430706 is about 86147.7260640117. The cubic root of 7421430706 is about 1950.5745145666.

The spelling of 7421430706 in words is "seven billion, four hundred twenty-one million, four hundred thirty thousand, seven hundred six".

Divisors: 1 2 26449 52898 140297 280594 3710715353 7421430706