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4256203240 = 235372875813
BaseRepresentation
bin1111110110110000…
…1000000111101000
3101222121210112020001
43331230020013220
532204042000430
61542201112344
7210321062542
oct37554100750
911877715201
104256203240
111894574543
129a94886b4
1352aa26773
142c53a6692
1519d9d23ca
hexfdb081e8

4256203240 has 32 divisors (see below), whose sum is σ = 9835283880. Its totient is φ = 1656467712.

The previous prime is 4256203229. The next prime is 4256203247. The reversal of 4256203240 is 423026524.

4256203240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4248171684 + 8031556 = 65178^2 + 2834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4256203199 and 4256203208.

It is not an unprimeable number, because it can be changed into a prime (4256203247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436427 + ... + 1439386.

Almost surely, 24256203240 is an apocalyptic number.

4256203240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4256203240 is an abundant number, since it is smaller than the sum of its proper divisors (5579080640).

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

4256203240 is a wasteful number, since it uses less digits than its factorization.

4256203240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875861 (or 2875857 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4256203240 is about 65239.5833830965. The cubic root of 4256203240 is about 1620.5935994665.

Adding to 4256203240 its reverse (423026524), we get a palindrome (4679229764).

The spelling of 4256203240 in words is "four billion, two hundred fifty-six million, two hundred three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 2875813 5751626 11503252 14379065 23006504 28758130 57516260 106405081 115032520 212810162 425620324 532025405 851240648 1064050810 2128101620 4256203240