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350148381 = 31121150287
BaseRepresentation
bin10100110111101…
…101011100011101
3220101212101021120
4110313231130131
51204114222011
654424521153
711451132522
oct2467553435
9811771246
10350148381
1116a716730
12993201b9
13577088bb
1434709149
1520b17a06
hex14ded71d

350148381 has 16 divisors (see below), whose sum is σ = 511730688. Its totient is φ = 211201200.

The previous prime is 350148347. The next prime is 350148413. The reversal of 350148381 is 183841053.

It is not a de Polignac number, because 350148381 - 214 = 350131997 is a prime.

It is a super-2 number, since 2×3501483812 = 245207777433842322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350148311) 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, 18181 + ... + 32106.

It is an arithmetic number, because the mean of its divisors is an integer number (31983168).

Almost surely, 2350148381 is an apocalyptic number.

It is an amenable number.

350148381 is a deficient number, since it is larger than the sum of its proper divisors (161582307).

350148381 is a wasteful number, since it uses less digits than its factorization.

350148381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50512.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 350148381 is about 18712.2521626874. The cubic root of 350148381 is about 704.8294482062.

The spelling of 350148381 in words is "three hundred fifty million, one hundred forty-eight thousand, three hundred eighty-one".

Divisors: 1 3 11 33 211 633 2321 6963 50287 150861 553157 1659471 10610557 31831671 116716127 350148381