Search a number
-
+
303856940 = 22516139419
BaseRepresentation
bin10010000111000…
…111110100101100
3210011202112100202
4102013013310230
51110241410230
650052413032
710346512202
oct2207076454
9704675322
10303856940
11146579242
1285917178
134ac4b50a
142c4d9072
151ba21a45
hex121c7d2c

303856940 has 24 divisors (see below), whose sum is σ = 638562960. Its totient is φ = 121454528.

The previous prime is 303856907. The next prime is 303856981. The reversal of 303856940 is 49658303.

303856940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 303856894 and 303856903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27551 + ... + 36969.

It is an arithmetic number, because the mean of its divisors is an integer number (26606790).

Almost surely, 2303856940 is an apocalyptic number.

It is an amenable number.

303856940 is an abundant number, since it is smaller than the sum of its proper divisors (334706020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303856940 is a wasteful number, since it uses less digits than its factorization.

303856940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041 (or 11039 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 303856940 is about 17431.4927645340. The cubic root of 303856940 is about 672.2895902047.

The spelling of 303856940 in words is "three hundred three million, eight hundred fifty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 1613 3226 6452 8065 9419 16130 18838 32260 37676 47095 94190 188380 15192847 30385694 60771388 75964235 151928470 303856940