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10307638 = 211716599
BaseRepresentation
bin100111010100…
…100000110110
3201101200102101
4213110200312
510114321023
61004532314
7153420265
oct47244066
921350371
1010307638
115900310
12355109a
13219b8c3
1415245dc
15d891ad
hex9d4836

10307638 has 16 divisors (see below), whose sum is σ = 17107200. Its totient is φ = 4618600.

The previous prime is 10307629. The next prime is 10307641. The reversal of 10307638 is 83670301.

It is a super-2 number, since 2×103076382 = 212494802278088, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1738 + ... + 4861.

It is an arithmetic number, because the mean of its divisors is an integer number (1069200).

Almost surely, 210307638 is an apocalyptic number.

10307638 is a deficient number, since it is larger than the sum of its proper divisors (6799562).

10307638 is a wasteful number, since it uses less digits than its factorization.

10307638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 10307638 is about 3210.5510430454. The cubic root of 10307638 is about 217.6304796864.

Adding to 10307638 its reverse (83670301), we get a palindrome (93977939).

It can be divided in two parts, 1030 and 7638, that added together give a palindrome (8668).

The spelling of 10307638 in words is "ten million, three hundred seven thousand, six hundred thirty-eight".

Divisors: 1 2 11 22 71 142 781 1562 6599 13198 72589 145178 468529 937058 5153819 10307638