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234919440 = 2434575179
BaseRepresentation
bin11100000000010…
…01011000010000
3121101001010220000
432000021120100
5440114410230
635151050000
75551532220
oct1600113020
9541033800
10234919440
111106734a8
1266810900
13398924b2
14232b2080
1515955b60
hexe009610

234919440 has 200 divisors, whose sum is σ = 932648640. Its totient is φ = 53685504.

The previous prime is 234919417. The next prime is 234919453. The reversal of 234919440 is 44919432.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 234919395 and 234919404.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42771 + ... + 47949.

Almost surely, 2234919440 is an apocalyptic number.

234919440 is a gapful number since it is divisible by the number (20) 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 234919440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466324320).

234919440 is an abundant number, since it is smaller than the sum of its proper divisors (697729200).

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

234919440 is a wasteful number, since it uses less digits than its factorization.

234919440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5211 (or 5196 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 234919440 is about 15327.0819140500. The cubic root of 234919440 is about 617.0300554415.

The spelling of 234919440 in words is "two hundred thirty-four million, nine hundred nineteen thousand, four hundred forty".