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4215305240 = 235106399137
BaseRepresentation
bin1111101101000000…
…0111010000011000
3101212202211200201022
43323100013100120
532113104231430
61534140342012
7206313334436
oct37320072030
911782750638
104215305240
111873480243
12997844908
13522407273
142bdb9bd56
1519a1044e5
hexfb407418

4215305240 has 32 divisors (see below), whose sum is σ = 9493454880. Its totient is φ = 1684518912.

The previous prime is 4215305221. The next prime is 4215305257. The reversal of 4215305240 is 425035124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7049 + ... + 92088.

It is an arithmetic number, because the mean of its divisors is an integer number (296670465).

Almost surely, 24215305240 is an apocalyptic number.

4215305240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4215305240 is an abundant number, since it is smaller than the sum of its proper divisors (5278149640).

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

4215305240 is a wasteful number, since it uses less digits than its factorization.

4215305240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100211 (or 100207 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4215305240 is about 64925.3820936003. The cubic root of 4215305240 is about 1615.3861045559.

The spelling of 4215305240 in words is "four billion, two hundred fifteen million, three hundred five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1063 2126 4252 5315 8504 10630 21260 42520 99137 198274 396548 495685 793096 991370 1982740 3965480 105382631 210765262 421530524 526913155 843061048 1053826310 2107652620 4215305240