[go: up one dir, main page]

Search a number
-
+
2486440 = 235115651
BaseRepresentation
bin1001011111000010101000
311200022202101
421133002220
51114031230
6125143144
730064045
oct11370250
94608671
102486440
111449110
129baab4
13690988
1448a1cc
15341aca
hex25f0a8

2486440 has 32 divisors (see below), whose sum is σ = 6104160. Its totient is φ = 904000.

The previous prime is 2486423. The next prime is 2486443. The reversal of 2486440 is 446842.

It is a junction number, because it is equal to n+sod(n) for n = 2486399 and 2486408.

It is not an unprimeable number, because it can be changed into a prime (2486443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386 + ... + 3265.

It is an arithmetic number, because the mean of its divisors is an integer number (190755).

22486440 is an apocalyptic number.

2486440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2486440 is an abundant number, since it is smaller than the sum of its proper divisors (3617720).

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

2486440 is a wasteful number, since it uses less digits than its factorization.

2486440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673 (or 5669 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 2486440 is about 1576.8449511604. The cubic root of 2486440 is about 135.4750524824.

It can be divided in two parts, 2486 and 440, that added together give a triangular number (2926 = T76).

The spelling of 2486440 in words is "two million, four hundred eighty-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 5651 11302 22604 28255 45208 56510 62161 113020 124322 226040 248644 310805 497288 621610 1243220 2486440