Search a number
-
+
2391460 = 2251091097
BaseRepresentation
bin1001000111110110100100
311111111110121
421013312210
51103011320
6123131324
726220121
oct11076644
94444417
102391460
111393815
12973b44
13659686
14463748
153238aa
hex247da4

2391460 has 24 divisors (see below), whose sum is σ = 5072760. Its totient is φ = 946944.

The previous prime is 2391451. The next prime is 2391461. The reversal of 2391460 is 641932.

2391460 is digitally balanced in base 2, 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 4 ways, for example, as 224676 + 2166784 = 474^2 + 1472^2 .

It is not an unprimeable number, because it can be changed into a prime (2391461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632 + ... + 2728.

It is an arithmetic number, because the mean of its divisors is an integer number (211365).

22391460 is an apocalyptic number.

2391460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2391460 is an abundant number, since it is smaller than the sum of its proper divisors (2681300).

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

2391460 is a wasteful number, since it uses less digits than its factorization.

2391460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2391460 is about 1546.4346090281. The cubic root of 2391460 is about 133.7275969115.

The spelling of 2391460 in words is "two million, three hundred ninety-one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 1097 2180 2194 4388 5485 10970 21940 119573 239146 478292 597865 1195730 2391460