Base | Representation |
---|---|
bin | 101100010110… |
… | …0110000000010 |
3 | 1121202022201002 |
4 | 1120230300002 |
5 | 21423030340 |
6 | 2150212002 |
7 | 401432000 |
oct | 130546002 |
9 | 47668632 |
10 | 23251970 |
11 | 12141605 |
12 | 7954002 |
13 | 4a81681 |
14 | 3133a70 |
15 | 2094715 |
hex | 162cc02 |
23251970 has 32 divisors (see below), whose sum is σ = 48816000. Its totient is φ = 7970928.
The previous prime is 23251951. The next prime is 23251979. The reversal of 23251970 is 7915232.
23251970 = 27832 + 27842 + 27852.
It is not an unprimeable number, because it can be changed into a prime (23251979) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41 + ... + 6819.
It is an arithmetic number, because the mean of its divisors is an integer number (1525500).
Almost surely, 223251970 is an apocalyptic number.
23251970 is an abundant number, since it is smaller than the sum of its proper divisors (25564030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23251970 is an equidigital number, since it uses as much as digits as its factorization.
23251970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6807 (or 6793 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 29.
The square root of 23251970 is about 4822.0296556533. The cubic root of 23251970 is about 285.4214345792.
It can be divided in two parts, 23 and 251970, that multiplied together give a triangular number (5795310 = T3404).
The spelling of 23251970 in words is "twenty-three million, two hundred fifty-one thousand, nine hundred seventy".
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