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10212007 = 13809971
BaseRepresentation
bin100110111101…
…001010100111
3201012211020111
4212331022213
510103241012
61002513451
7152541421
oct46751247
921184214
1010212007
115845483
123505887
132167210
1414db811
15d6aba7
hex9bd2a7

10212007 has 8 divisors (see below), whose sum is σ = 11022480. Its totient is φ = 9405120.

The previous prime is 10211983. The next prime is 10212011. The reversal of 10212007 is 70021201.

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 10212007 - 219 = 9687719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212077) 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, 10032 + ... + 11002.

It is an arithmetic number, because the mean of its divisors is an integer number (1377810).

Almost surely, 210212007 is an apocalyptic number.

10212007 is a deficient number, since it is larger than the sum of its proper divisors (810473).

10212007 is an equidigital number, since it uses as much as digits as its factorization.

10212007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 10212007 is about 3195.6231004297. The cubic root of 10212007 is about 216.9553519389.

Adding to 10212007 its reverse (70021201), we get a palindrome (80233208).

The spelling of 10212007 in words is "ten million, two hundred twelve thousand, seven".

Divisors: 1 13 809 971 10517 12623 785539 10212007