Search a number
-
+
2378493 = 321329701
BaseRepresentation
bin1001000100101011111101
311110211200100
421010223331
51102102433
6122551313
726134245
oct11045375
94424610
102378493
111384aa7
12968539
136537c0
1445cb25
1531eb13
hex244afd

2378493 has 24 divisors (see below), whose sum is σ = 3832920. Its totient is φ = 1411200.

The previous prime is 2378491. The next prime is 2378501. The reversal of 2378493 is 3948732.

It can be written as a sum of positive squares in 4 ways, for example, as 381924 + 1996569 = 618^2 + 1413^2 .

It is not a de Polignac number, because 2378493 - 21 = 2378491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3043 + ... + 3743.

It is an arithmetic number, because the mean of its divisors is an integer number (159705).

22378493 is an apocalyptic number.

It is an amenable number.

2378493 is a deficient number, since it is larger than the sum of its proper divisors (1454427).

2378493 is a wasteful number, since it uses less digits than its factorization.

2378493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 746 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2378493 is about 1542.2363632077. The cubic root of 2378493 is about 133.4854590062.

The spelling of 2378493 in words is "two million, three hundred seventy-eight thousand, four hundred ninety-three".

Divisors: 1 3 9 13 29 39 87 117 261 377 701 1131 2103 3393 6309 9113 20329 27339 60987 82017 182961 264277 792831 2378493