Search a number
-
+
682959820 = 225471395227
BaseRepresentation
bin101000101101010…
…010001111001100
31202121002221202011
4220231102033030
52344314203240
6151434111004
722632030334
oct5055221714
91677087664
10682959820
11320570904
1217087b464
13ab65424a
14669c00c4
153ee586ea
hex28b523cc

682959820 has 48 divisors (see below), whose sum is σ = 1475550720. Its totient is φ = 265397184.

The previous prime is 682959811. The next prime is 682959821. The reversal of 682959820 is 28959286.

It is a Smith number, since the sum of its digits (49) 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 (682959821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128047 + ... + 133273.

It is an arithmetic number, because the mean of its divisors is an integer number (30740640).

Almost surely, 2682959820 is an apocalyptic number.

It is an amenable number.

682959820 is an abundant number, since it is smaller than the sum of its proper divisors (792590900).

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

682959820 is a wasteful number, since it uses less digits than its factorization.

682959820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422 (or 5420 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 682959820 is about 26133.4999569518. The cubic root of 682959820 is about 880.6399528896.

The spelling of 682959820 in words is "six hundred eighty-two million, nine hundred fifty-nine thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 139 188 235 278 470 556 695 940 1390 2780 5227 6533 10454 13066 20908 26132 26135 32665 52270 65330 104540 130660 245669 491338 726553 982676 1228345 1453106 2456690 2906212 3632765 4913380 7265530 14531060 34147991 68295982 136591964 170739955 341479910 682959820