Search a number
-
+
627961090 = 25112955621
BaseRepresentation
bin100101011011011…
…110110100000010
31121202121201200011
4211123132310002
52241224223330
6142151215134
721363403231
oct4533366402
91552551604
10627961090
112a2516509
121563774aa
13a0138813
145d584b18
153a1e282a
hex256ded02

627961090 has 16 divisors (see below), whose sum is σ = 1131351480. Its totient is φ = 250957440.

The previous prime is 627961067. The next prime is 627961091. The reversal of 627961090 is 90169726.

627961090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 196028001 + 431933089 = 14001^2 + 20783^2 .

It is not an unprimeable number, because it can be changed into a prime (627961091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16521 + ... + 39100.

Almost surely, 2627961090 is an apocalyptic number.

627961090 is a deficient number, since it is larger than the sum of its proper divisors (503390390).

627961090 is a wasteful number, since it uses less digits than its factorization.

627961090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56757.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 627961090 is about 25059.1518212409. The cubic root of 627961090 is about 856.3360846194.

The spelling of 627961090 in words is "six hundred twenty-seven million, nine hundred sixty-one thousand, ninety".

Divisors: 1 2 5 10 1129 2258 5645 11290 55621 111242 278105 556210 62796109 125592218 313980545 627961090