Search a number
-
+
2391246 = 2321113929
BaseRepresentation
bin1001000111110011001110
311111111011200
421013303032
51103004441
6123130330
726216364
oct11076316
94444150
102391246
111393640
129739a6
13659550
14463634
153237b6
hex247cce

2391246 has 48 divisors (see below), whose sum is σ = 6093360. Its totient is φ = 668160.

The previous prime is 2391239. The next prime is 2391269. The reversal of 2391246 is 6421932.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2110 + ... + 3038.

It is an arithmetic number, because the mean of its divisors is an integer number (126945).

22391246 is an apocalyptic number.

2391246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2391246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3046680).

2391246 is an abundant number, since it is smaller than the sum of its proper divisors (3702114).

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

2391246 is a wasteful number, since it uses less digits than its factorization.

2391246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 958 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2391246 is about 1546.3654160644. The cubic root of 2391246 is about 133.7236079174.

It can be divided in two parts, 239 and 1246, that added together give a triangular number (1485 = T54).

The spelling of 2391246 in words is "two million, three hundred ninety-one thousand, two hundred forty-six".

Divisors: 1 2 3 6 9 11 13 18 22 26 33 39 66 78 99 117 143 198 234 286 429 858 929 1287 1858 2574 2787 5574 8361 10219 12077 16722 20438 24154 30657 36231 61314 72462 91971 108693 132847 183942 217386 265694 398541 797082 1195623 2391246