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10020311 = 710114173
BaseRepresentation
bin100110001110…
…010111010111
3200212002021122
4212032113113
510031122221
6554434155
7151112510
oct46162727
920762248
1010020311
115724454
12343295b
1320caba2
14148ba07
15d2deab
hex98e5d7

10020311 has 8 divisors (see below), whose sum is σ = 11565984. Its totient is φ = 8503200.

The previous prime is 10020299. The next prime is 10020313. The reversal of 10020311 is 11302001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10020311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020313) 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, 6380 + ... + 7793.

It is an arithmetic number, because the mean of its divisors is an integer number (1445748).

Almost surely, 210020311 is an apocalyptic number.

10020311 is a deficient number, since it is larger than the sum of its proper divisors (1545673).

10020311 is a wasteful number, since it uses less digits than its factorization.

10020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14281.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 10020311 is about 3165.4874822055. The cubic root of 10020311 is about 215.5892327707.

Adding to 10020311 its reverse (11302001), we get a palindrome (21322312).

The spelling of 10020311 in words is "ten million, twenty thousand, three hundred eleven".

Divisors: 1 7 101 707 14173 99211 1431473 10020311