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4240220424 = 23311219313767
BaseRepresentation
bin1111110010111100…
…1010000100001000
3101221111201111220220
43330233022010020
532140444023144
61540430350040
7210035164446
oct37457120410
911844644826
104240220424
111886548400
129a405b320
1352761b98b
142c3205b96
1519c3c6919
hexfcbca108

4240220424 has 384 divisors, whose sum is σ = 13197004800. Its totient is φ = 1129075200.

The previous prime is 4240220423. The next prime is 4240220431.

4240220424 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 4240220394 and 4240220403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240220423) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63286839 + ... + 63286905.

It is an arithmetic number, because the mean of its divisors is an integer number (34367200).

Almost surely, 24240220424 is an apocalyptic number.

4240220424 is a gapful number since it is divisible by the number (44) 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 4240220424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6598502400).

4240220424 is an abundant number, since it is smaller than the sum of its proper divisors (8956784376).

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

4240220424 is a wasteful number, since it uses less digits than its factorization.

4240220424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4240220424 is about 65116.9749297370. The cubic root of 4240220424 is about 1618.5625138991.

It can be divided in two parts, 42402 and 20424, that added together give a palindrome (62826).

The spelling of 4240220424 in words is "four billion, two hundred forty million, two hundred twenty thousand, four hundred twenty-four".