Base | Representation |
---|---|
bin | 10010000111010… |
… | …000000000000000 |
3 | 210011211020022012 |
4 | 102013100000000 |
5 | 1110243443212 |
6 | 50053232052 |
7 | 10350011636 |
oct | 2207200000 |
9 | 704736265 |
10 | 303890432 |
11 | 1465a141a |
12 | 85932628 |
13 | 4ac60831 |
14 | 2c507356 |
15 | 1ba2b922 |
hex | 121d0000 |
303890432 has 34 divisors (see below), whose sum is σ = 607907298. Its totient is φ = 151912448.
The previous prime is 303890423. The next prime is 303890441. The reversal of 303890432 is 234098303.
It is a happy number.
303890432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (303890423) and next prime (303890441).
It can be written as a sum of positive squares in only one way, i.e., 228130816 + 75759616 = 15104^2 + 8704^2 .
It is a super-2 number, since 2×3038904322 = 184698789322293248, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63218 + ... + 67854.
Almost surely, 2303890432 is an apocalyptic number.
303890432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 303890432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303953649).
303890432 is an abundant number, since it is smaller than the sum of its proper divisors (304016866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
303890432 is an frugal number, since it uses more digits than its factorization.
303890432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4669 (or 4639 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 32.
The square root of 303890432 is about 17432.4534131028. The cubic root of 303890432 is about 672.3142898717.
The spelling of 303890432 in words is "three hundred three million, eight hundred ninety thousand, four hundred thirty-two".
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