Search a number
-
+
297016945 = 5173794441
BaseRepresentation
bin10001101101000…
…001111001110001
3202200220000122121
4101231001321301
51102014020240
645250034241
710234413421
oct2155017161
9680800577
10297016945
11142727255
1283578981
13496c5094
142b638481
151b12004a
hex11b41e71

297016945 has 16 divisors (see below), whose sum is σ = 387589968. Its totient is φ = 217589760.

The previous prime is 297016931. The next prime is 297016957. The reversal of 297016945 is 549610792.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 81162081 + 215854864 = 9009^2 + 14692^2 .

It is not a de Polignac number, because 297016945 - 217 = 296885873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44076 + ... + 50365.

It is an arithmetic number, because the mean of its divisors is an integer number (24224373).

Almost surely, 2297016945 is an apocalyptic number.

It is an amenable number.

297016945 is a deficient number, since it is larger than the sum of its proper divisors (90573023).

297016945 is a wasteful number, since it uses less digits than its factorization.

297016945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94500.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 297016945 is about 17234.1795569154. The cubic root of 297016945 is about 667.2067155970.

The spelling of 297016945 in words is "two hundred ninety-seven million, sixteen thousand, nine hundred forty-five".

Divisors: 1 5 17 37 85 185 629 3145 94441 472205 1605497 3494317 8027485 17471585 59403389 297016945