Search a number
-
+
122380306 = 2445713729
BaseRepresentation
bin1110100101101…
…10000000010010
322112021120012221
413102312000102
5222312132211
620051011254
73014133616
oct722660022
9275246187
10122380306
1163098154
1234b99b2a
131c47b4a9
1412379346
15ab25c71
hex74b6012

122380306 has 8 divisors (see below), whose sum is σ = 183625020. Its totient is φ = 61171968.

The previous prime is 122380289. The next prime is 122380327. The reversal of 122380306 is 603083221.

It can be written as a sum of positive squares in 2 ways, for example, as 122213025 + 167281 = 11055^2 + 409^2 .

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050 + ... + 15778.

Almost surely, 2122380306 is an apocalyptic number.

122380306 is a deficient number, since it is larger than the sum of its proper divisors (61244714).

122380306 is a wasteful number, since it uses less digits than its factorization.

122380306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18188.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 122380306 is about 11062.5632653558. The cubic root of 122380306 is about 496.4823854769.

The spelling of 122380306 in words is "one hundred twenty-two million, three hundred eighty thousand, three hundred six".

Divisors: 1 2 4457 8914 13729 27458 61190153 122380306