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10038638 = 25019319
BaseRepresentation
bin100110010010…
…110101101110
3200220000102102
4212102311232
510032214023
6555055102
7151220111
oct46226556
920800372
1010038638
1157371a5
123441492
13210632c
141494578
15d34628
hex992d6e

10038638 has 4 divisors (see below), whose sum is σ = 15057960. Its totient is φ = 5019318.

The previous prime is 10038629. The next prime is 10038643. The reversal of 10038638 is 83683001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10038638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509658 + ... + 2509661.

It is an arithmetic number, because the mean of its divisors is an integer number (3764490).

Almost surely, 210038638 is an apocalyptic number.

10038638 is a deficient number, since it is larger than the sum of its proper divisors (5019322).

10038638 is an equidigital number, since it uses as much as digits as its factorization.

10038638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019321.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 10038638 is about 3168.3809745673. The cubic root of 10038638 is about 215.7205892219.

The spelling of 10038638 in words is "ten million, thirty-eight thousand, six hundred thirty-eight".

Divisors: 1 2 5019319 10038638