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4220899830 = 23257291032243
BaseRepresentation
bin1111101110010101…
…1101000111110110
3101220011100221001100
43323211131013312
532121022243310
61534500310530
7206412025260
oct37345350766
911804327040
104220899830
111876651574
129996a2446
13523615884
142c0816b30
1519a85bec0
hexfb95d1f6

4220899830 has 192 divisors, whose sum is σ = 13106396160. Its totient is φ = 922053888.

The previous prime is 4220899817. The next prime is 4220899841. The reversal of 4220899830 is 389980224.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

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, 1880689 + ... + 1882931.

It is an arithmetic number, because the mean of its divisors is an integer number (68262480).

Almost surely, 24220899830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4220899830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6553198080).

4220899830 is an abundant number, since it is smaller than the sum of its proper divisors (8885496330).

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

4220899830 is a wasteful number, since it uses less digits than its factorization.

4220899830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 4220899830 is about 64968.4525750768. The cubic root of 4220899830 is about 1616.1004401493.

The spelling of 4220899830 in words is "four billion, two hundred twenty million, eight hundred ninety-nine thousand, eight hundred thirty".