Search a number
-
+
10137381 = 33379127
BaseRepresentation
bin100110101010…
…111100100101
3201002000212120
4212222330211
510043344011
61001140153
7152111022
oct46527445
921060776
1010137381
1157a4401
12348a659
13213c267
1414bc549
15d53a06
hex9aaf25

10137381 has 4 divisors (see below), whose sum is σ = 13516512. Its totient is φ = 6758252.

The previous prime is 10137349. The next prime is 10137419. The reversal of 10137381 is 18373101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18373101 = 36124367.

It is a cyclic number.

It is not a de Polignac number, because 10137381 - 25 = 10137349 is a prime.

It is a super-2 number, since 2×101373812 = 205532987078322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10137311) 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, 1689561 + ... + 1689566.

It is an arithmetic number, because the mean of its divisors is an integer number (3379128).

Almost surely, 210137381 is an apocalyptic number.

It is an amenable number.

10137381 is a deficient number, since it is larger than the sum of its proper divisors (3379131).

10137381 is an equidigital number, since it uses as much as digits as its factorization.

10137381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379130.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 10137381 is about 3183.9254074177. The cubic root of 10137381 is about 216.4255798349.

The spelling of 10137381 in words is "ten million, one hundred thirty-seven thousand, three hundred eighty-one".

Divisors: 1 3 3379127 10137381