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10381623 = 372917047
BaseRepresentation
bin100111100110…
…100100110111
3201112102220120
4213212210313
510124202443
61010303023
7154146060
oct47464467
921472816
1010381623
11595095a
123587a73
1321c6495
141543567
15da1083
hex9e6937

10381623 has 16 divisors (see below), whose sum is σ = 16366080. Its totient is φ = 5727456.

The previous prime is 10381607. The next prime is 10381661. The reversal of 10381623 is 32618301.

It is not a de Polignac number, because 10381623 - 24 = 10381607 is a prime.

It is a super-2 number, since 2×103816232 = 215556192228258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10381593 and 10381602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10381673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7915 + ... + 9132.

It is an arithmetic number, because the mean of its divisors is an integer number (1022880).

Almost surely, 210381623 is an apocalyptic number.

10381623 is a deficient number, since it is larger than the sum of its proper divisors (5984457).

10381623 is a wasteful number, since it uses less digits than its factorization.

10381623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17086.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 10381623 is about 3222.0526066469. The cubic root of 10381623 is about 218.1499333299.

Adding to 10381623 its reverse (32618301), we get a palindrome (42999924).

The spelling of 10381623 in words is "ten million, three hundred eighty-one thousand, six hundred twenty-three".

Divisors: 1 3 7 21 29 87 203 609 17047 51141 119329 357987 494363 1483089 3460541 10381623