[go: up one dir, main page]

Search a number
-
+
2481620 = 225167743
BaseRepresentation
bin1001011101110111010100
311200002010212
421131313110
51113402440
6125104552
730044021
oct11356724
94602125
102481620
111445529
129b8158
1368b71b
14488548
15340465
hex25ddd4

2481620 has 24 divisors (see below), whose sum is σ = 5249664. Its totient is φ = 985376.

The previous prime is 2481601. The next prime is 2481629. The reversal of 2481620 is 261842.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2969 + ... + 3711.

It is an arithmetic number, because the mean of its divisors is an integer number (218736).

22481620 is an apocalyptic number.

2481620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2481620 is an abundant number, since it is smaller than the sum of its proper divisors (2768044).

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

2481620 is a wasteful number, since it uses less digits than its factorization.

2481620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2481620 is about 1575.3158413474. The cubic root of 2481620 is about 135.3874557375.

The spelling of 2481620 in words is "two million, four hundred eighty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 167 334 668 743 835 1486 1670 2972 3340 3715 7430 14860 124081 248162 496324 620405 1240810 2481620