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214797944 = 23154317401
BaseRepresentation
bin11001100110110…
…00111001111000
3112222011212101102
430303120321320
5414442013234
633151510532
75215516034
oct1463307170
9488155342
10214797944
1110027a969
125bb28448
133566899a
14207551c4
1513ccdc7e
hexccd8e78

214797944 has 16 divisors (see below), whose sum is σ = 403030320. Its totient is φ = 107323200.

The previous prime is 214797929. The next prime is 214797991. The reversal of 214797944 is 449797412.

It is a happy number.

It is a super-2 number, since 2×2147979442 = 92276313493254272, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3644 + ... + 21044.

It is an arithmetic number, because the mean of its divisors is an integer number (25189395).

Almost surely, 2214797944 is an apocalyptic number.

It is an amenable number.

214797944 is a deficient number, since it is larger than the sum of its proper divisors (188232376).

214797944 is a wasteful number, since it uses less digits than its factorization.

214797944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18950 (or 18946 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 214797944 is about 14655.9866266315. The cubic root of 214797944 is about 598.8849141081.

The spelling of 214797944 in words is "two hundred fourteen million, seven hundred ninety-seven thousand, nine hundred forty-four".

Divisors: 1 2 4 8 1543 3086 6172 12344 17401 34802 69604 139208 26849743 53699486 107398972 214797944