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344430042 = 231129179953
BaseRepresentation
bin10100100001111…
…001010111011010
3220000002212012020
4110201321113122
51201133230132
654102155310
711351415135
oct2441712732
9800085166
10344430042
11167470430
1297422b36
1356485b78
1433a5b21c
152038852c
hex148795da

344430042 has 32 divisors (see below), whose sum is σ = 777401280. Its totient is φ = 100773120.

The previous prime is 344430019. The next prime is 344430067. The reversal of 344430042 is 240034443.

It is a happy number.

It is a super-4 number, since 4×3444300424 (a number of 35 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344429994 and 344430021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88063 + ... + 91890.

It is an arithmetic number, because the mean of its divisors is an integer number (24293790).

Almost surely, 2344430042 is an apocalyptic number.

344430042 is an abundant number, since it is smaller than the sum of its proper divisors (432971238).

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

344430042 is a wasteful number, since it uses less digits than its factorization.

344430042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179998.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 344430042 is about 18558.8265254029. The cubic root of 344430042 is about 700.9714688466.

Adding to 344430042 its reverse (240034443), we get a palindrome (584464485).

The spelling of 344430042 in words is "three hundred forty-four million, four hundred thirty thousand, forty-two".

Divisors: 1 2 3 6 11 22 29 33 58 66 87 174 319 638 957 1914 179953 359906 539859 1079718 1979483 3958966 5218637 5938449 10437274 11876898 15655911 31311822 57405007 114810014 172215021 344430042