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4256667660 = 22357193117207
BaseRepresentation
bin1111110110110111…
…1001100000001100
3101222122200010021210
43331231321200030
532204201331120
61542215054420
7210325035540
oct37555714014
911878603253
104256667660
111894861463
129a9671410
1352ab59c7b
142c5487a20
1519da74ce0
hexfdb7980c

4256667660 has 192 divisors, whose sum is σ = 14801633280. Its totient is φ = 891959040.

The previous prime is 4256667643. The next prime is 4256667677. The reversal of 4256667660 is 667666524.

It is an interprime number because it is at equal distance from previous prime (4256667643) and next prime (4256667677).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 238777 + ... + 255983.

It is an arithmetic number, because the mean of its divisors is an integer number (77091840).

Almost surely, 24256667660 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 4256667660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7400816640).

4256667660 is an abundant number, since it is smaller than the sum of its proper divisors (10544965620).

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

4256667660 is a wasteful number, since it uses less digits than its factorization.

4256667660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17276 (or 17274 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 48.

The square root of 4256667660 is about 65243.1426281720. The cubic root of 4256667660 is about 1620.6525415693.

The spelling of 4256667660 in words is "four billion, two hundred fifty-six million, six hundred sixty-seven thousand, six hundred sixty".