Search a number
-
+
479240 = 23511981
BaseRepresentation
bin1110101000000001000
3220100101122
41311000020
5110313430
614134412
74034126
oct1650010
9810348
10479240
112a8073
121b1408
1313a198
14c6916
1596ee5
hex75008

479240 has 16 divisors (see below), whose sum is σ = 1078380. Its totient is φ = 191680.

The previous prime is 479239. The next prime is 479243. The reversal of 479240 is 42974.

479240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 454276 + 24964 = 674^2 + 158^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 479240.

It is not an unprimeable number, because it can be changed into a prime (479243) 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, 5951 + ... + 6030.

2479240 is an apocalyptic number.

479240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

479240 is an abundant number, since it is smaller than the sum of its proper divisors (599140).

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

479240 is a wasteful number, since it uses less digits than its factorization.

479240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11992 (or 11988 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 479240 is about 692.2716229920. The cubic root of 479240 is about 78.2560073916.

It can be divided in two parts, 479 and 240, that multiplied together give a triangular number (114960 = T479).

The spelling of 479240 in words is "four hundred seventy-nine thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 11981 23962 47924 59905 95848 119810 239620 479240