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214795860 = 22353579931
BaseRepresentation
bin11001100110110…
…00011001010100
3112222011202112020
430303120121110
5414441431420
633151453140
75215506666
oct1463303124
9488152466
10214795860
11100279344
125bb271b0
1335667a56
1420754536
1513ccd340
hexccd8654

214795860 has 24 divisors (see below), whose sum is σ = 601428576. Its totient is φ = 57278880.

The previous prime is 214795859. The next prime is 214795871. The reversal of 214795860 is 68597412.

It is a super-2 number, since 2×2147958602 = 92274522946279200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789906 + ... + 1790025.

It is an arithmetic number, because the mean of its divisors is an integer number (25059524).

Almost surely, 2214795860 is an apocalyptic number.

214795860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214795860 is an abundant number, since it is smaller than the sum of its proper divisors (386632716).

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

214795860 is a wasteful number, since it uses less digits than its factorization.

214795860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579943 (or 3579941 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 214795860 is about 14655.9155292326. The cubic root of 214795860 is about 598.8829772798.

The spelling of 214795860 in words is "two hundred fourteen million, seven hundred ninety-five thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3579931 7159862 10739793 14319724 17899655 21479586 35799310 42959172 53698965 71598620 107397930 214795860