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10301681 = 13853929
BaseRepresentation
bin100111010011…
…000011110001
3201101101020202
4213103003301
510114123211
61004444545
7153364025
oct47230361
921341222
1010301681
1158a6895
123549755
132198c90
141522385
15d8753b
hex9d30f1

10301681 has 8 divisors (see below), whose sum is σ = 11119080. Its totient is φ = 9487872.

The previous prime is 10301659. The next prime is 10301717. The reversal of 10301681 is 18610301.

10301681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1540081 + 8761600 = 1241^2 + 2960^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10301681 is a prime.

It is a super-2 number, since 2×103016812 = 212249262851522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10300681) 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, 10625 + ... + 11553.

It is an arithmetic number, because the mean of its divisors is an integer number (1389885).

Almost surely, 210301681 is an apocalyptic number.

It is an amenable number.

10301681 is a deficient number, since it is larger than the sum of its proper divisors (817399).

10301681 is an equidigital number, since it uses as much as digits as its factorization.

10301681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 10301681 is about 3209.6231866062. The cubic root of 10301681 is about 217.5885472026.

Adding to 10301681 its reverse (18610301), we get a palindrome (28911982).

The spelling of 10301681 in words is "ten million, three hundred one thousand, six hundred eighty-one".

Divisors: 1 13 853 929 11089 12077 792437 10301681