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10038997 = 13972223
BaseRepresentation
bin100110010010…
…111011010101
3200220000220201
4212102323111
510032221442
6555100501
7151221133
oct46227325
920800821
1010038997
1157374a1
123441731
132106547
141494753
15d347b7
hex992ed5

10038997 has 4 divisors (see below), whose sum is σ = 10111360. Its totient is φ = 9966636.

The previous prime is 10038991. The next prime is 10039013. The reversal of 10038997 is 79983001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10038997 - 23 = 10038989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10038991) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 35973 + ... + 36250.

It is an arithmetic number, because the mean of its divisors is an integer number (2527840).

Almost surely, 210038997 is an apocalyptic number.

It is an amenable number.

10038997 is a deficient number, since it is larger than the sum of its proper divisors (72363).

10038997 is an equidigital number, since it uses as much as digits as its factorization.

10038997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72362.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 10038997 is about 3168.4376276013. The cubic root of 10038997 is about 215.7231607118.

It can be divided in two parts, 1003 and 8997, that added together give a 4-th power (10000 = 104).

The spelling of 10038997 in words is "ten million, thirty-eight thousand, nine hundred ninety-seven".

Divisors: 1 139 72223 10038997