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2040221430 = 23251343107379
BaseRepresentation
bin111100110011011…
…0100111011110110
312021012000222122200
41321212310323312
513134244041210
6534241005330
7101362411302
oct17146647366
95235028580
102040221430
11957719615
1248b323846
132668ba920
14154d68d02
15be1aa0c0
hex799b4ef6

2040221430 has 192 divisors, whose sum is σ = 5915669760. Its totient is φ = 484662528.

The previous prime is 2040221353. The next prime is 2040221453. The reversal of 2040221430 is 341220402.

2040221430 is a `hidden beast` number, since 20 + 402 + 214 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5382981 + ... + 5383359.

It is an arithmetic number, because the mean of its divisors is an integer number (30810780).

Almost surely, 22040221430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040221430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2957834880).

2040221430 is an abundant number, since it is smaller than the sum of its proper divisors (3875448330).

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

2040221430 is a wasteful number, since it uses less digits than its factorization.

2040221430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2040221430 is about 45168.8103673320. The cubic root of 2040221430 is about 1268.3110269904.

Adding to 2040221430 its reverse (341220402), we get a palindrome (2381441832).

The spelling of 2040221430 in words is "two billion, forty million, two hundred twenty-one thousand, four hundred thirty".