Search a number
-
+
513606268 = 22718343081
BaseRepresentation
bin11110100111010…
…000001001111100
31022210102220100101
4132213100021330
52022440400033
6122544210444
715504403240
oct3647201174
91283386311
10513606268
11243a0aa9a
12124009a24
138253a246
144c2d8420
153015497d
hex1e9d027c

513606268 has 12 divisors (see below), whose sum is σ = 1027212592. Its totient is φ = 220116960.

The previous prime is 513606263. The next prime is 513606277. The reversal of 513606268 is 862606315.

513606268 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513606263) 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, 9171513 + ... + 9171568.

Almost surely, 2513606268 is an apocalyptic number.

It is an amenable number.

513606268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513606268 is a wasteful number, since it uses less digits than its factorization.

513606268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18343092 (or 18343090 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 513606268 is about 22662.8830469559. The cubic root of 513606268 is about 800.8357245682.

The spelling of 513606268 in words is "five hundred thirteen million, six hundred six thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 18343081 36686162 73372324 128401567 256803134 513606268