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10112421 = 311306437
BaseRepresentation
bin100110100100…
…110110100101
3201000202122010
4212210312211
510042044141
61000424433
7151645164
oct46446645
921022563
1010112421
115787680
123478119
132130aa7
1414b33db
15d4b416
hex9a4da5

10112421 has 8 divisors (see below), whose sum is σ = 14709024. Its totient is φ = 6128720.

The previous prime is 10112419. The next prime is 10112441. The reversal of 10112421 is 12421101.

It is a happy number.

10112421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10112421 - 21 = 10112419 is a prime.

It is a super-2 number, since 2×101124212 = 204522116962482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10112397 and 10112406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153186 + ... + 153251.

It is an arithmetic number, because the mean of its divisors is an integer number (1838628).

Almost surely, 210112421 is an apocalyptic number.

10112421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10112421 is a deficient number, since it is larger than the sum of its proper divisors (4596603).

10112421 is a wasteful number, since it uses less digits than its factorization.

10112421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306451.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 10112421 is about 3180.0033018851. The cubic root of 10112421 is about 216.2478080124.

Adding to 10112421 its reverse (12421101), we get a palindrome (22533522).

It can be divided in two parts, 101 and 12421, that multiplied together give a palindrome (1254521).

The spelling of 10112421 in words is "ten million, one hundred twelve thousand, four hundred twenty-one".

Divisors: 1 3 11 33 306437 919311 3370807 10112421