Search a number
-
+
10031864 = 232354521
BaseRepresentation
bin100110010001…
…001011111000
3200212200010112
4212101023320
510032004424
6555003452
7151161263
oct46211370
920780115
1010031864
1157320a7
123439588
13210321b
141491cda
15d3260e
hex9912f8

10031864 has 16 divisors (see below), whose sum is σ = 19627920. Its totient is φ = 4797760.

The previous prime is 10031863. The next prime is 10031869. The reversal of 10031864 is 46813001.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27077 + ... + 27444.

It is an arithmetic number, because the mean of its divisors is an integer number (1226745).

Almost surely, 210031864 is an apocalyptic number.

It is an amenable number.

10031864 is a deficient number, since it is larger than the sum of its proper divisors (9596056).

10031864 is a wasteful number, since it uses less digits than its factorization.

10031864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54550 (or 54546 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 10031864 is about 3167.3117939350. The cubic root of 10031864 is about 215.6720560748.

Adding to 10031864 its reverse (46813001), we get a palindrome (56844865).

The spelling of 10031864 in words is "ten million, thirty-one thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 23 46 92 184 54521 109042 218084 436168 1253983 2507966 5015932 10031864