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10211412 = 223850951
BaseRepresentation
bin100110111101…
…000001010100
3201012210102110
4212331001110
510103231122
61002511020
7152536611
oct46750124
921183373
1010211412
115844a92
123505470
132166b73
1414db508
15d6a90c
hex9bd054

10211412 has 12 divisors (see below), whose sum is σ = 23826656. Its totient is φ = 3403800.

The previous prime is 10211401. The next prime is 10211491. The reversal of 10211412 is 21411201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 850951 = 10211412 / (1 + 0 + 2 + 1 + 1 + 4 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425464 + ... + 425487.

Almost surely, 210211412 is an apocalyptic number.

10211412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10211412 is an abundant number, since it is smaller than the sum of its proper divisors (13615244).

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

10211412 is a wasteful number, since it uses less digits than its factorization.

10211412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850958 (or 850956 counting only the distinct ones).

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

The square root of 10211412 is about 3195.5300029885. The cubic root of 10211412 is about 216.9511382409.

Adding to 10211412 its reverse (21411201), we get a palindrome (31622613).

The spelling of 10211412 in words is "ten million, two hundred eleven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 850951 1701902 2552853 3403804 5105706 10211412