Base | Representation |
---|---|
bin | 111001111100101… |
… | …110011010010110 |
3 | 2111202101220012011 |
4 | 321330232122112 |
5 | 3442342020204 |
6 | 240250014434 |
7 | 33043506541 |
oct | 7174563226 |
9 | 2452356164 |
10 | 972220054 |
11 | 45987a353 |
12 | 23171741a |
13 | 126561850 |
14 | 93199858 |
15 | 5a545304 |
hex | 39f2e696 |
972220054 has 16 divisors (see below), whose sum is σ = 1597130640. Its totient is φ = 441110880.
The previous prime is 972220043. The next prime is 972220087. The reversal of 972220054 is 450022279.
It is a junction number, because it is equal to n+sod(n) for n = 972219998 and 972220025.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315357 + ... + 318424.
It is an arithmetic number, because the mean of its divisors is an integer number (99820665).
Almost surely, 2972220054 is an apocalyptic number.
972220054 is a deficient number, since it is larger than the sum of its proper divisors (624910586).
972220054 is a wasteful number, since it uses less digits than its factorization.
972220054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 633855.
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 972220054 is about 31180.4434541910. The cubic root of 972220054 is about 990.6529223508.
The spelling of 972220054 in words is "nine hundred seventy-two million, two hundred twenty thousand, fifty-four".
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