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10105236 = 223431189
BaseRepresentation
bin100110100011…
…000110010100
3201000101210000
4212203012110
510041331421
61000331300
7151615221
oct46430624
921011700
1010105236
115782239
123473b30
13212a73b
1414b0948
15d49226
hex9a3194

10105236 has 30 divisors (see below), whose sum is σ = 26417930. Its totient is φ = 3368304.

The previous prime is 10105223. The next prime is 10105241. The reversal of 10105236 is 63250101.

It can be written as a sum of positive squares in only one way, i.e., 6533136 + 3572100 = 2556^2 + 1890^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15271 + ... + 15918.

Almost surely, 210105236 is an apocalyptic number.

It is an amenable number.

10105236 is an abundant number, since it is smaller than the sum of its proper divisors (16312694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10105236 is a wasteful number, since it uses less digits than its factorization.

10105236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31205 (or 31194 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 10105236 is about 3178.8733853364. The cubic root of 10105236 is about 216.1965802984.

Adding to 10105236 its reverse (63250101), we get a palindrome (73355337).

The spelling of 10105236 in words is "ten million, one hundred five thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 31189 62378 93567 124756 187134 280701 374268 561402 842103 1122804 1684206 2526309 3368412 5052618 10105236