Search a number
-
+
3055778 = 211138899
BaseRepresentation
bin1011101010000010100010
312202020201222
423222002202
51240241103
6145255042
734654655
oct13520242
95666658
103055778
1117a7940
121034482
1382cb6b
1459789c
15405638
hex2ea0a2

3055778 has 8 divisors (see below), whose sum is σ = 5000400. Its totient is φ = 1388980.

The previous prime is 3055777. The next prime is 3055807. The reversal of 3055778 is 8775503.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3055777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69428 + ... + 69471.

It is an arithmetic number, because the mean of its divisors is an integer number (625050).

Almost surely, 23055778 is an apocalyptic number.

3055778 is a deficient number, since it is larger than the sum of its proper divisors (1944622).

3055778 is a wasteful number, since it uses less digits than its factorization.

3055778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138912.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 3055778 is about 1748.0783735291. The cubic root of 3055778 is about 145.1133160985.

The spelling of 3055778 in words is "three million, fifty-five thousand, seven hundred seventy-eight".

Divisors: 1 2 11 22 138899 277798 1527889 3055778