Search a number
-
+
774205042 = 21329777117
BaseRepresentation
bin101110001001010…
…110111001110010
31222221210200122211
4232021112321302
53041144030132
6204453522334
725120430362
oct5611267162
91887720584
10774205042
11368022786
121973433aa
13c4520bc0
1474b729a2
1547e7e147
hex2e256e72

774205042 has 8 divisors (see below), whose sum is σ = 1250638956. Its totient is φ = 357325392.

The previous prime is 774205039. The next prime is 774205111. The reversal of 774205042 is 240502477.

It can be written as a sum of positive squares in 2 ways, for example, as 681679881 + 92525161 = 26109^2 + 9619^2 .

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 = 774204995 and 774205013.

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, 14888533 + ... + 14888584.

Almost surely, 2774205042 is an apocalyptic number.

774205042 is a deficient number, since it is larger than the sum of its proper divisors (476433914).

774205042 is a wasteful number, since it uses less digits than its factorization.

774205042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29777132.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 774205042 is about 27824.5402837136. The cubic root of 774205042 is about 918.2311009310.

The spelling of 774205042 in words is "seven hundred seventy-four million, two hundred five thousand, forty-two".

Divisors: 1 2 13 26 29777117 59554234 387102521 774205042