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10030311 = 3613759
BaseRepresentation
bin100110010000…
…110011100111
3200212121000000
4212100303213
510031432221
6554552343
7151153614
oct46206347
920777000
1010030311
115730a15
1234386b3
1321025c5
14149150b
15d31e26
hex990ce7

10030311 has 14 divisors (see below), whose sum is σ = 15039680. Its totient is φ = 6686388.

The previous prime is 10030283. The next prime is 10030313. The reversal of 10030311 is 11303001.

10030311 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10030311 - 26 = 10030247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10030293 and 10030302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030313) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 6151 + ... + 7608.

Almost surely, 210030311 is an apocalyptic number.

10030311 is a deficient number, since it is larger than the sum of its proper divisors (5009369).

10030311 is an frugal number, since it uses more digits than its factorization.

10030311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13777 (or 13762 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 10030311 is about 3167.0666238651. The cubic root of 10030311 is about 215.6609263389.

Adding to 10030311 its reverse (11303001), we get a palindrome (21333312).

The spelling of 10030311 in words is "ten million, thirty thousand, three hundred eleven".

Divisors: 1 3 9 27 81 243 729 13759 41277 123831 371493 1114479 3343437 10030311