Search a number
-
+
297061930 = 25112700563
BaseRepresentation
bin10001101101001…
…100111000101010
3202200222022100201
4101231030320222
51102021440210
645251022414
710234661524
oct2155147052
9680868321
10297061930
11142758030
128359aa0a
134970c6b9
142b64aa14
151b12d53a
hex11b4ce2a

297061930 has 16 divisors (see below), whose sum is σ = 583321824. Its totient is φ = 108022480.

The previous prime is 297061901. The next prime is 297061939. The reversal of 297061930 is 39160792.

It is a self number, because there is not a number n which added to its sum of digits gives 297061930.

It is not an unprimeable number, because it can be changed into a prime (297061939) 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, 1350172 + ... + 1350391.

It is an arithmetic number, because the mean of its divisors is an integer number (36457614).

Almost surely, 2297061930 is an apocalyptic number.

297061930 is a deficient number, since it is larger than the sum of its proper divisors (286259894).

297061930 is a wasteful number, since it uses less digits than its factorization.

297061930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700581.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 297061930 is about 17235.4846174977. The cubic root of 297061930 is about 667.2403980513.

The spelling of 297061930 in words is "two hundred ninety-seven million, sixty-one thousand, nine hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 2700563 5401126 13502815 27005630 29706193 59412386 148530965 297061930