Search a number
-
+
132425540 = 22513509329
BaseRepresentation
bin1111110010010…
…10011101000100
3100020011220200122
413321022131010
5232400104130
621050201112
73165412202
oct771123504
9306156618
10132425540
11688292a5
1238423198
1321587810
1413832072
15b95c2e5
hex7e4a744

132425540 has 24 divisors (see below), whose sum is σ = 299486040. Its totient is φ = 48895488.

The previous prime is 132425533. The next prime is 132425543. The reversal of 132425540 is 45524231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1597696 + 130827844 = 1264^2 + 11438^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (132425543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254405 + ... + 254924.

It is an arithmetic number, because the mean of its divisors is an integer number (12478585).

Almost surely, 2132425540 is an apocalyptic number.

132425540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132425540 is an abundant number, since it is smaller than the sum of its proper divisors (167060500).

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

132425540 is a wasteful number, since it uses less digits than its factorization.

132425540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509351 (or 509349 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 132425540 is about 11507.6296429803. The cubic root of 132425540 is about 509.7108959952.

Adding to 132425540 its reverse (45524231), we get a palindrome (177949771).

The spelling of 132425540 in words is "one hundred thirty-two million, four hundred twenty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 509329 1018658 2037316 2546645 5093290 6621277 10186580 13242554 26485108 33106385 66212770 132425540