Base | Representation |
---|---|
bin | 101001001101… |
… | …001100110100 |
3 | 202022210112001 |
4 | 221031030310 |
5 | 10231130342 |
6 | 1023305044 |
7 | 160546426 |
oct | 51151464 |
9 | 22283461 |
10 | 10801972 |
11 | 6108755 |
12 | 374b184 |
13 | 23128cc |
14 | 1612816 |
15 | e358b7 |
hex | a4d334 |
10801972 has 6 divisors (see below), whose sum is σ = 18903458. Its totient is φ = 5400984.
The previous prime is 10801969. The next prime is 10801979. The reversal of 10801972 is 27910801.
It can be written as a sum of positive squares in only one way, i.e., 7431076 + 3370896 = 2726^2 + 1836^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 10801972.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10801979) 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 as a sum of consecutive naturals, namely, 1350243 + ... + 1350250.
Almost surely, 210801972 is an apocalyptic number.
It is an amenable number.
10801972 is a deficient number, since it is larger than the sum of its proper divisors (8101486).
10801972 is a wasteful number, since it uses less digits than its factorization.
10801972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2700497 (or 2700495 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 28.
The square root of 10801972 is about 3286.6353615818. The cubic root of 10801972 is about 221.0553426369.
The spelling of 10801972 in words is "ten million, eight hundred one thousand, nine hundred seventy-two".
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