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10234138 = 25117069
BaseRepresentation
bin100111000010…
…100100011010
3201020221121011
4213002210122
510104443023
61003204134
7152663065
oct47024432
921227534
1010234138
115860072
12351664a
132174305
1415058dc
15d7250d
hex9c291a

10234138 has 4 divisors (see below), whose sum is σ = 15351210. Its totient is φ = 5117068.

The previous prime is 10234127. The next prime is 10234151. The reversal of 10234138 is 83143201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83143201 = 711171031.

It can be written as a sum of positive squares in only one way, i.e., 9566649 + 667489 = 3093^2 + 817^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2558533 + ... + 2558536.

Almost surely, 210234138 is an apocalyptic number.

10234138 is a deficient number, since it is larger than the sum of its proper divisors (5117072).

10234138 is an equidigital number, since it uses as much as digits as its factorization.

10234138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117071.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 10234138 is about 3199.0839313779. The cubic root of 10234138 is about 217.1119641366. Note that the first 3 decimals are identical.

Adding to 10234138 its reverse (83143201), we get a palindrome (93377339).

The spelling of 10234138 in words is "ten million, two hundred thirty-four thousand, one hundred thirty-eight".

Divisors: 1 2 5117069 10234138