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10144394 = 213230013
BaseRepresentation
bin100110101100…
…101010001010
3201002101111022
4212230222022
510044110034
61001232442
7152140331
oct46545212
921071438
1010144394
1157a96a7
123492722
132142500
1414c0d18
15d55b2e
hex9aca8a

10144394 has 12 divisors (see below), whose sum is σ = 16477686. Its totient is φ = 4681872.

The previous prime is 10144369. The next prime is 10144397. The reversal of 10144394 is 49344101.

It can be written as a sum of positive squares in 3 ways, for example, as 1530169 + 8614225 = 1237^2 + 2935^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (10144397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14669 + ... + 15344.

Almost surely, 210144394 is an apocalyptic number.

10144394 is a deficient number, since it is larger than the sum of its proper divisors (6333292).

10144394 is a wasteful number, since it uses less digits than its factorization.

10144394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30041 (or 30028 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10144394 is about 3185.0265305017. The cubic root of 10144394 is about 216.4754757835.

Adding to 10144394 its reverse (49344101), we get a palindrome (59488495).

The spelling of 10144394 in words is "ten million, one hundred forty-four thousand, three hundred ninety-four".

Divisors: 1 2 13 26 169 338 30013 60026 390169 780338 5072197 10144394