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10132481 = 71142711
BaseRepresentation
bin100110101001…
…110000000001
3201001210011002
4212221300001
510043214411
61001101345
7152060522
oct46516001
921053132
1010132481
1157a0757
123487855
132139c68
1414ba849
15d5233b
hex9a9c01

10132481 has 4 divisors (see below), whose sum is σ = 10275264. Its totient is φ = 9989700.

The previous prime is 10132439. The next prime is 10132501. The reversal of 10132481 is 18423101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18423101 = 26336997.

It is not a de Polignac number, because 10132481 - 26 = 10132417 is a prime.

It is a super-2 number, since 2×101324812 = 205334342430722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10131481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71285 + ... + 71426.

It is an arithmetic number, because the mean of its divisors is an integer number (2568816).

Almost surely, 210132481 is an apocalyptic number.

It is an amenable number.

10132481 is a deficient number, since it is larger than the sum of its proper divisors (142783).

10132481 is an equidigital number, since it uses as much as digits as its factorization.

10132481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142782.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 10132481 is about 3183.1558240212. The cubic root of 10132481 is about 216.3907037575.

Adding to 10132481 its reverse (18423101), we get a palindrome (28555582).

The spelling of 10132481 in words is "ten million, one hundred thirty-two thousand, four hundred eighty-one".

Divisors: 1 71 142711 10132481