Search a number
-
+
539680 = 2553373
BaseRepresentation
bin10000011110000100000
31000102022011
42003300200
5114232210
615322304
74405261
oct2036040
91012264
10539680
11339519
12220394
1315b84b
14100968
15a9d8a
hex83c20

539680 has 24 divisors (see below), whose sum is σ = 1275372. Its totient is φ = 215808.

The previous prime is 539677. The next prime is 539687. The reversal of 539680 is 86935.

It can be written as a sum of positive squares in 2 ways, for example, as 501264 + 38416 = 708^2 + 196^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (539687) 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, 1527 + ... + 1846.

2539680 is an apocalyptic number.

It is an amenable number.

539680 is an abundant number, since it is smaller than the sum of its proper divisors (735692).

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

539680 is a wasteful number, since it uses less digits than its factorization.

539680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 539680 is about 734.6291581472. The cubic root of 539680 is about 81.4164398817.

It can be divided in two parts, 5396 and 80, that added together give a square (5476 = 742).

The spelling of 539680 in words is "five hundred thirty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 3373 6746 13492 16865 26984 33730 53968 67460 107936 134920 269840 539680