Search a number
-
+
10901212 = 2271931661
BaseRepresentation
bin101001100101…
…011011011100
3202111211122121
4221211123130
510242314322
61025352324
7161441650
oct51453334
922454577
1010901212
116176273
1237986a4
132348b2a
14163aa60
15e54ec7
hexa656dc

10901212 has 48 divisors (see below), whose sum is σ = 23726080. Its totient is φ = 4276800.

The previous prime is 10901207. The next prime is 10901213. The reversal of 10901212 is 21210901.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10901213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16162 + ... + 16822.

Almost surely, 210901212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10901212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11863040).

10901212 is an abundant number, since it is smaller than the sum of its proper divisors (12824868).

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

10901212 is a wasteful number, since it uses less digits than its factorization.

10901212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 10901212 is about 3301.6983508492. The cubic root of 10901212 is about 221.7302407460.

The spelling of 10901212 in words is "ten million, nine hundred one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 19 28 31 38 62 76 124 133 217 266 434 532 589 661 868 1178 1322 2356 2644 4123 4627 8246 9254 12559 16492 18508 20491 25118 40982 50236 81964 87913 143437 175826 286874 351652 389329 573748 778658 1557316 2725303 5450606 10901212