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101321441 = 137793957
BaseRepresentation
bin1100000101000…
…00101011100001
321001122122212222
412002200223201
5201414241231
614015400425
72340134534
oct602405341
9231578788
10101321441
1152214331
1229b23115
1317cb7120
14d656a1b
158d6627b
hex60a0ae1

101321441 has 4 divisors (see below), whose sum is σ = 109115412. Its totient is φ = 93527472.

The previous prime is 101321431. The next prime is 101321443. The reversal of 101321441 is 144123101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10214416 + 91107025 = 3196^2 + 9545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101321441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101321443) 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, 3896966 + ... + 3896991.

It is an arithmetic number, because the mean of its divisors is an integer number (27278853).

Almost surely, 2101321441 is an apocalyptic number.

It is an amenable number.

101321441 is a deficient number, since it is larger than the sum of its proper divisors (7793971).

101321441 is an equidigital number, since it uses as much as digits as its factorization.

101321441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7793970.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 101321441 is about 10065.8552046013. The cubic root of 101321441 is about 466.1944717489.

Adding to 101321441 its reverse (144123101), we get a palindrome (245444542).

The spelling of 101321441 in words is "one hundred one million, three hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 13 7793957 101321441