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10021224 = 233715881
BaseRepresentation
bin100110001110…
…100101101000
3200212010112110
4212032211220
510031134344
6554442320
7151115253
oct46164550
920763473
1010021224
115725104
1234333a0
1320cb425
14148c09a
15d2e3b9
hex98e968

10021224 has 32 divisors (see below), whose sum is σ = 25410240. Its totient is φ = 3292800.

The previous prime is 10021217. The next prime is 10021237. The reversal of 10021224 is 42212001.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 7 ways as a sum of consecutive naturals, for example, 1237 + ... + 4644.

It is an arithmetic number, because the mean of its divisors is an integer number (794070).

Almost surely, 210021224 is an apocalyptic number.

It is an amenable number.

10021224 is an abundant number, since it is smaller than the sum of its proper divisors (15389016).

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

10021224 is a wasteful number, since it uses less digits than its factorization.

10021224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5961 (or 5957 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 10021224 is about 3165.6316905161. The cubic root of 10021224 is about 215.5957803716.

Adding to 10021224 its reverse (42212001), we get a palindrome (52233225).

The spelling of 10021224 in words is "ten million, twenty-one thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 71 142 213 284 426 568 852 1704 5881 11762 17643 23524 35286 47048 70572 141144 417551 835102 1252653 1670204 2505306 3340408 5010612 10021224