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10181272 = 232355333
BaseRepresentation
bin100110110101…
…101010011000
3201011021002011
4212311222120
510101300042
61002115304
7152353003
oct46655230
921137064
1010181272
115824382
1234abb34
13215622a
1414d053a
15d61a17
hex9b5a98

10181272 has 16 divisors (see below), whose sum is σ = 19920240. Its totient is φ = 4869216.

The previous prime is 10181267. The next prime is 10181279. The reversal of 10181272 is 27218101.

10181272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10181279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27483 + ... + 27850.

It is an arithmetic number, because the mean of its divisors is an integer number (1245015).

Almost surely, 210181272 is an apocalyptic number.

It is an amenable number.

10181272 is a deficient number, since it is larger than the sum of its proper divisors (9738968).

10181272 is a wasteful number, since it uses less digits than its factorization.

10181272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55362 (or 55358 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 10181272 is about 3190.8105553292. The cubic root of 10181272 is about 216.7374769213.

Adding to 10181272 its reverse (27218101), we get a palindrome (37399373).

The spelling of 10181272 in words is "ten million, one hundred eighty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 23 46 92 184 55333 110666 221332 442664 1272659 2545318 5090636 10181272