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10034721 = 321114969
BaseRepresentation
bin100110010001…
…111000100001
3200212211001100
4212101320201
510032102341
6555025013
7151202514
oct46217041
920784040
1010034721
115734264
12343b169
132104608
141492d7b
15d333b6
hex991e21

10034721 has 6 divisors (see below), whose sum is σ = 14494610. Its totient is φ = 6689808.

The previous prime is 10034711. The next prime is 10034737. The reversal of 10034721 is 12743001.

It can be written as a sum of positive squares in only one way, i.e., 5934096 + 4100625 = 2436^2 + 2025^2 .

It is not a de Polignac number, because 10034721 - 29 = 10034209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10034694 and 10034703.

It is not an unprimeable number, because it can be changed into a prime (10034711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557476 + ... + 557493.

Almost surely, 210034721 is an apocalyptic number.

It is an amenable number.

10034721 is a deficient number, since it is larger than the sum of its proper divisors (4459889).

10034721 is a wasteful number, since it uses less digits than its factorization.

10034721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114975 (or 1114972 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 10034721 is about 3167.7627752090. The cubic root of 10034721 is about 215.6925280621.

Adding to 10034721 its reverse (12743001), we get a palindrome (22777722).

The spelling of 10034721 in words is "ten million, thirty-four thousand, seven hundred twenty-one".

Divisors: 1 3 9 1114969 3344907 10034721