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10161222 = 231693537
BaseRepresentation
bin100110110000…
…110001000110
3201010020120120
4212300301012
510100124342
61001442410
7152240361
oct46606106
921106516
1010161222
115810305
1234a0406
13214a076
1414c70d8
15d5aaec
hex9b0c46

10161222 has 8 divisors (see below), whose sum is σ = 20322456. Its totient is φ = 3387072.

The previous prime is 10161209. The next prime is 10161227. The reversal of 10161222 is 22216101.

It is a sphenic number, since it is the product of 3 distinct primes.

10161222 is an admirable number.

It is a super-3 number, since 3×101612223 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10161227) 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, 846763 + ... + 846774.

It is an arithmetic number, because the mean of its divisors is an integer number (2540307).

Almost surely, 210161222 is an apocalyptic number.

10161222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10161222 is a wasteful number, since it uses less digits than its factorization.

10161222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693542.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 10161222 is about 3187.6671720868. The cubic root of 10161222 is about 216.5951095717.

Adding to 10161222 its reverse (22216101), we get a palindrome (32377323).

The spelling of 10161222 in words is "ten million, one hundred sixty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 1693537 3387074 5080611 10161222