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234488520 = 2334573211
BaseRepresentation
bin11011111101000…
…00001011001000
3121100020020210000
431332200023020
5440012113040
635133523000
75545056000
oct1576401310
9540206700
10234488520
111103a9772
1266643460
1339771306
14231dd000
15158bd130
hexdfa02c8

234488520 has 320 divisors, whose sum is σ = 923472000. Its totient is φ = 53343360.

The previous prime is 234488491. The next prime is 234488537. The reversal of 234488520 is 25884432.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1111215 + ... + 1111425.

It is an arithmetic number, because the mean of its divisors is an integer number (2885850).

Almost surely, 2234488520 is an apocalyptic number.

234488520 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 234488520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461736000).

234488520 is an abundant number, since it is smaller than the sum of its proper divisors (688983480).

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

234488520 is a wasteful number, since it uses less digits than its factorization.

234488520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 234488520 is about 15313.0179912387. The cubic root of 234488520 is about 616.6525454116.

The spelling of 234488520 in words is "two hundred thirty-four million, four hundred eighty-eight thousand, five hundred twenty".