Search a number
-
+
628750316 = 221031526093
BaseRepresentation
bin100101011110011…
…111011111101100
31121211002211021202
4211132133133230
52241430002231
6142220145032
721403201205
oct4536373754
91554084252
10628750316
112a2a05467
12156698178
13a0353b0c
145d70c5ac
153a2eb5cb
hex2579f7ec

628750316 has 12 divisors (see below), whose sum is σ = 1110996432. Its totient is φ = 311322768.

The previous prime is 628750273. The next prime is 628750319. The reversal of 628750316 is 613057826.

It is a self number, because there is not a number n which added to its sum of digits gives 628750316.

It is not an unprimeable number, because it can be changed into a prime (628750319) 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, 762635 + ... + 763458.

It is an arithmetic number, because the mean of its divisors is an integer number (92583036).

Almost surely, 2628750316 is an apocalyptic number.

It is an amenable number.

628750316 is a deficient number, since it is larger than the sum of its proper divisors (482246116).

628750316 is a wasteful number, since it uses less digits than its factorization.

628750316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526200 (or 1526198 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 628750316 is about 25074.8941373638. The cubic root of 628750316 is about 856.6946842080.

The spelling of 628750316 in words is "six hundred twenty-eight million, seven hundred fifty thousand, three hundred sixteen".

Divisors: 1 2 4 103 206 412 1526093 3052186 6104372 157187579 314375158 628750316