Search a number
-
+
2523438 = 232140191
BaseRepresentation
bin1001101000000100101110
311202012111200
421220010232
51121222223
6130030330
730306651
oct11500456
94665450
102523438
111473995
12a183a6
136a4778
14499898
1534ca43
hex26812e

2523438 has 12 divisors (see below), whose sum is σ = 5467488. Its totient is φ = 841140.

The previous prime is 2523419. The next prime is 2523457. The reversal of 2523438 is 8343252.

It is an interprime number because it is at equal distance from previous prime (2523419) and next prime (2523457).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70078 + ... + 70113.

It is an arithmetic number, because the mean of its divisors is an integer number (455624).

22523438 is an apocalyptic number.

2523438 is an abundant number, since it is smaller than the sum of its proper divisors (2944050).

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

2523438 is a wasteful number, since it uses less digits than its factorization.

2523438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140199 (or 140196 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2523438 is about 1588.5332857702. The cubic root of 2523438 is about 136.1436990353.

The spelling of 2523438 in words is "two million, five hundred twenty-three thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 9 18 140191 280382 420573 841146 1261719 2523438