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214184990 = 2571301669
BaseRepresentation
bin11001100010000…
…11010000011110
3112221000201120102
430301003100132
5414312404430
633130421102
75210354015
oct1461032036
9487021512
10214184990
11aa9a1398
125b891792
13354b29a6
1420635a7c
1513c0c345
hexcc4341e

214184990 has 16 divisors (see below), whose sum is σ = 390964320. Its totient is φ = 84467040.

The previous prime is 214184977. The next prime is 214185001. The reversal of 214184990 is 99481412.

214184990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 150125 + ... + 151544.

It is an arithmetic number, because the mean of its divisors is an integer number (24435270).

Almost surely, 2214184990 is an apocalyptic number.

214184990 is a deficient number, since it is larger than the sum of its proper divisors (176779330).

214184990 is a wasteful number, since it uses less digits than its factorization.

214184990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301747.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 214184990 is about 14635.0603005249. The cubic root of 214184990 is about 598.3147059237.

The spelling of 214184990 in words is "two hundred fourteen million, one hundred eighty-four thousand, nine hundred ninety".

Divisors: 1 2 5 10 71 142 355 710 301669 603338 1508345 3016690 21418499 42836998 107092495 214184990