Base | Representation |
---|---|
bin | 10111101011000… |
… | …011001001011110 |
3 | 1000200022212112200 |
4 | 113223003021132 |
5 | 1303133123204 |
6 | 103224312330 |
7 | 12561545643 |
oct | 2753031136 |
9 | 1020285480 |
10 | 397161054 |
11 | 194206a84 |
12 | b10126a6 |
13 | 64389354 |
14 | 3aa65dca |
15 | 24d02539 |
hex | 17ac325e |
397161054 has 24 divisors (see below), whose sum is σ = 861025152. Its totient is φ = 132308640.
The previous prime is 397161053. The next prime is 397161067. The reversal of 397161054 is 450161793.
397161054 is a `hidden beast` number, since 39 + 7 + 1 + 610 + 5 + 4 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (397161053) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30339 + ... + 41409.
It is an arithmetic number, because the mean of its divisors is an integer number (35876048).
Almost surely, 2397161054 is an apocalyptic number.
397161054 is an abundant number, since it is smaller than the sum of its proper divisors (463864098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
397161054 is a wasteful number, since it uses less digits than its factorization.
397161054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13072 (or 13069 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 397161054 is about 19928.8999696421. The cubic root of 397161054 is about 735.0590317713.
It can be divided in two parts, 3971 and 61054, that added together give a square (65025 = 2552).
The spelling of 397161054 in words is "three hundred ninety-seven million, one hundred sixty-one thousand, fifty-four".
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