Search a number
-
+
40192725 = 3521673209
BaseRepresentation
bin1001100101010…
…0101011010101
32210122000001110
42121110223111
540242131400
63553245233
7665426646
oct231245325
983560043
1040192725
1120762431
1211563819
1384334a1
1454a36cd
1537dde50
hex2654ad5

40192725 has 24 divisors (see below), whose sum is σ = 66870720. Its totient is φ = 21301120.

The previous prime is 40192721. The next prime is 40192729. The reversal of 40192725 is 52729104.

40192725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40192721) and next prime (40192729).

It is not a de Polignac number, because 40192725 - 22 = 40192721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40192692 and 40192701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40192721) 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 23 ways as a sum of consecutive naturals, for example, 10921 + ... + 14129.

It is an arithmetic number, because the mean of its divisors is an integer number (2786280).

Almost surely, 240192725 is an apocalyptic number.

It is an amenable number.

40192725 is a deficient number, since it is larger than the sum of its proper divisors (26677995).

40192725 is a wasteful number, since it uses less digits than its factorization.

40192725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389 (or 3384 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 40192725 is about 6339.7732609298. The cubic root of 40192725 is about 342.5435680808.

The spelling of 40192725 in words is "forty million, one hundred ninety-two thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 75 167 501 835 2505 3209 4175 9627 12525 16045 48135 80225 240675 535903 1607709 2679515 8038545 13397575 40192725