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10102237 = 29348353
BaseRepresentation
bin100110100010…
…010111011101
3201000020122221
4212202113131
510041232422
61000305341
7151603405
oct46422735
921006587
1010102237
11577aa62
123472251
132129272
1414ad805
15d483c7
hex9a25dd

10102237 has 4 divisors (see below), whose sum is σ = 10450620. Its totient is φ = 9753856.

The previous prime is 10102207. The next prime is 10102289. The reversal of 10102237 is 73220101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73220101 = 367719913.

It can be written as a sum of positive squares in 2 ways, for example, as 7458361 + 2643876 = 2731^2 + 1626^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102237 - 27 = 10102109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10102237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102207) 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, 174148 + ... + 174205.

It is an arithmetic number, because the mean of its divisors is an integer number (2612655).

Almost surely, 210102237 is an apocalyptic number.

It is an amenable number.

10102237 is a deficient number, since it is larger than the sum of its proper divisors (348383).

10102237 is an equidigital number, since it uses as much as digits as its factorization.

10102237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348382.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 10102237 is about 3178.4016423353. The cubic root of 10102237 is about 216.1751908031.

Adding to 10102237 its reverse (73220101), we get a palindrome (83322338).

The spelling of 10102237 in words is "ten million, one hundred two thousand, two hundred thirty-seven".

Divisors: 1 29 348353 10102237