Base | Representation |
---|---|
bin | 11000001100100… |
… | …01100100100010 |
3 | 112010221000110020 |
4 | 30012101210202 |
5 | 403430041201 |
6 | 32050214310 |
7 | 5013141300 |
oct | 1406214442 |
9 | 463830406 |
10 | 202971426 |
11 | a4632489 |
12 | 57b84396 |
13 | 33087948 |
14 | 1cd57270 |
15 | 12c44a36 |
hex | c191922 |
202971426 has 48 divisors (see below), whose sum is σ = 474405984. Its totient is φ = 57723456.
The previous prime is 202971383. The next prime is 202971451. The reversal of 202971426 is 624179202.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67021 + ... + 69983.
It is an arithmetic number, because the mean of its divisors is an integer number (9883458).
Almost surely, 2202971426 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 202971426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237202992).
202971426 is an abundant number, since it is smaller than the sum of its proper divisors (271434558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202971426 is a wasteful number, since it uses less digits than its factorization.
202971426 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3215 (or 3208 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 202971426 is about 14246.8040626661. The cubic root of 202971426 is about 587.6854894003.
The spelling of 202971426 in words is "two hundred two million, nine hundred seventy-one thousand, four hundred twenty-six".
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