Search a number
-
+
333333381 = 3136781281
BaseRepresentation
bin10011110111100…
…100001110000101
3212020020002102210
4103313210032011
51140313132011
653024254033
711155200303
oct2367441605
9766202383
10333333381
11161181337
1293771319
135409c0b4
14323ad273
151e3e56a6
hex13de4385

333333381 has 8 divisors (see below), whose sum is σ = 444775104. Its totient is φ = 222056960.

The previous prime is 333333379. The next prime is 333333409. The reversal of 333333381 is 183333333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 333333381 - 21 = 333333379 is a prime.

It is a super-2 number, since 2×3333333812 = 222222285777782322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333333361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36540 + ... + 44741.

It is an arithmetic number, because the mean of its divisors is an integer number (55596888).

Almost surely, 2333333381 is an apocalyptic number.

It is an amenable number.

333333381 is a deficient number, since it is larger than the sum of its proper divisors (111441723).

333333381 is a wasteful number, since it uses less digits than its factorization.

333333381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82651.

The product of its digits is 17496, while the sum is 30.

The square root of 333333381 is about 18257.4198889109. The cubic root of 333333381 is about 693.3613074009.

The spelling of 333333381 in words is "three hundred thirty-three million, three hundred thirty-three thousand, three hundred eighty-one".

Divisors: 1 3 1367 4101 81281 243843 111111127 333333381