Search a number
-
+
120642602 = 2421143281
BaseRepresentation
bin1110011000011…
…01110000101010
322102000021112112
413030031300222
5221341030402
615545442322
72663305463
oct714156052
9272007475
10120642602
1162110633
12344a03a2
131bcc0572
1412045d6a
15a8d0e52
hex730dc2a

120642602 has 8 divisors (see below), whose sum is σ = 181395012. Its totient is φ = 60177600.

The previous prime is 120642589. The next prime is 120642619. The reversal of 120642602 is 206246021.

It can be written as a sum of positive squares in 2 ways, for example, as 110901961 + 9740641 = 10531^2 + 3121^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70799 + ... + 72482.

Almost surely, 2120642602 is an apocalyptic number.

120642602 is a deficient number, since it is larger than the sum of its proper divisors (60752410).

120642602 is a wasteful number, since it uses less digits than its factorization.

120642602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143704.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 120642602 is about 10983.7426226219. The cubic root of 120642602 is about 494.1212883846.

Adding to 120642602 its reverse (206246021), we get a palindrome (326888623).

The spelling of 120642602 in words is "one hundred twenty million, six hundred forty-two thousand, six hundred two".

Divisors: 1 2 421 842 143281 286562 60321301 120642602