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343250054840 = 235721119837931
BaseRepresentation
bin1001111111010110100…
…11000010111010111000
31012210222200112110100002
410333223103002322320
521110434003223330
6421404211532132
733541025216600
oct4775323027270
91183880473302
10343250054840
11122631786680
12566358ba048
13264a3327034
1412883207c00
158dde67ee45
hex4feb4c2eb8

343250054840 has 192 divisors, whose sum is σ = 1031661878400. Its totient is φ = 101356012800.

The previous prime is 343250054831. The next prime is 343250054863. The reversal of 343250054840 is 48450052343.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 343250054794 and 343250054803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9326 + ... + 828605.

It is an arithmetic number, because the mean of its divisors is an integer number (5373238950).

Almost surely, 2343250054840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343250054840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515830939200).

343250054840 is an abundant number, since it is smaller than the sum of its proper divisors (688411823560).

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

343250054840 is a wasteful number, since it uses less digits than its factorization.

343250054840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837986 (or 837975 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 343250054840 in words is "three hundred forty-three billion, two hundred fifty million, fifty-four thousand, eight hundred forty".