Search a number
-
+
10020648 = 2331137957
BaseRepresentation
bin100110001110…
…011100101000
3200212002202010
4212032130220
510031130043
6554435520
7151113501
oct46163450
920762663
1010020648
115724730
123432ba0
1320cb0a1
14148bba8
15d2e133
hex98e728

10020648 has 32 divisors (see below), whose sum is σ = 27329760. Its totient is φ = 3036480.

The previous prime is 10020643. The next prime is 10020691. The reversal of 10020648 is 84602001.

It is not an unprimeable number, because it can be changed into a prime (10020641) 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 7 ways as a sum of consecutive naturals, for example, 18715 + ... + 19242.

It is an arithmetic number, because the mean of its divisors is an integer number (854055).

Almost surely, 210020648 is an apocalyptic number.

It is an amenable number.

10020648 is an abundant number, since it is smaller than the sum of its proper divisors (17309112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10020648 is a wasteful number, since it uses less digits than its factorization.

10020648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37977 (or 37973 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 10020648 is about 3165.5407121059. The cubic root of 10020648 is about 215.5916496204.

Adding to 10020648 its reverse (84602001), we get a palindrome (94622649).

The spelling of 10020648 in words is "ten million, twenty thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 37957 75914 113871 151828 227742 303656 417527 455484 835054 910968 1252581 1670108 2505162 3340216 5010324 10020648