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4640601420 = 223257132193137
BaseRepresentation
bin1000101001001100…
…11111010101001100
3102222102002222101200
410110212133111030
534000443221140
62044252105500
7222666314130
oct42446372514
912872088350
104640601420
111a71553594
12a96165290
1358c564800
143204693c0
151c2613030
hex11499f54c

4640601420 has 864 divisors, whose sum is σ = 19440046080. Its totient is φ = 873400320.

The previous prime is 4640601379. The next prime is 4640601467. The reversal of 4640601420 is 241060464.

4640601420 is a `hidden beast` number, since 4 + 640 + 6 + 0 + 14 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 125421642 + ... + 125421678.

Almost surely, 24640601420 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 4640601420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9720023040).

4640601420 is an abundant number, since it is smaller than the sum of its proper divisors (14799444660).

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

4640601420 is a wasteful number, since it uses less digits than its factorization.

4640601420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4640601420 is about 68121.9598954698. The cubic root of 4640601420 is about 1667.9822427936.

Adding to 4640601420 its reverse (241060464), we get a palindrome (4881661884).

The spelling of 4640601420 in words is "four billion, six hundred forty million, six hundred one thousand, four hundred twenty".