Base | Representation |
---|---|
bin | 111110111000… |
… | …1100010001010 |
3 | 2022001002120002 |
4 | 1331301202022 |
5 | 31420032030 |
6 | 3134403002 |
7 | 550151021 |
oct | 175614212 |
9 | 68032502 |
10 | 32970890 |
11 | 1767a577 |
12 | b060462 |
13 | 6aa5304 |
14 | 45438b8 |
15 | 2d64245 |
hex | 1f7188a |
32970890 has 16 divisors (see below), whose sum is σ = 62471520. Its totient is φ = 12494160.
The previous prime is 32970877. The next prime is 32970893. The reversal of 32970890 is 9807923.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is not an unprimeable number, because it can be changed into a prime (32970893) 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 7 ways as a sum of consecutive naturals, for example, 86576 + ... + 86955.
It is an arithmetic number, because the mean of its divisors is an integer number (3904470).
Almost surely, 232970890 is an apocalyptic number.
32970890 is a deficient number, since it is larger than the sum of its proper divisors (29500630).
32970890 is a wasteful number, since it uses less digits than its factorization.
32970890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173557.
The product of its (nonzero) digits is 27216, while the sum is 38.
The square root of 32970890 is about 5742.0283872513. The cubic root of 32970890 is about 320.6590907847.
The spelling of 32970890 in words is "thirty-two million, nine hundred seventy thousand, eight hundred ninety".
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