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214776490 = 2537580477
BaseRepresentation
bin11001100110100…
…11101010101010
3112222010202221211
430303103222222
5414440321430
633151223334
75215366345
oct1463235252
9488122854
10214776490
11100265835
125bb17b4a
133565bca6
142074b45c
1513cc772a
hexccd3aaa

214776490 has 16 divisors (see below), whose sum is σ = 397046952. Its totient is φ = 83588544.

The previous prime is 214776479. The next prime is 214776493. The reversal of 214776490 is 94677412.

It can be written as a sum of positive squares in 4 ways, for example, as 153983281 + 60793209 = 12409^2 + 7797^2 .

It is a super-4 number, since 4×2147764904 (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (214776493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289869 + ... + 290608.

Almost surely, 2214776490 is an apocalyptic number.

214776490 is a deficient number, since it is larger than the sum of its proper divisors (182270462).

214776490 is a wasteful number, since it uses less digits than its factorization.

214776490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580521.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 214776490 is about 14655.2546890185. The cubic root of 214776490 is about 598.8649745865.

The spelling of 214776490 in words is "two hundred fourteen million, seven hundred seventy-six thousand, four hundred ninety".

Divisors: 1 2 5 10 37 74 185 370 580477 1160954 2902385 5804770 21477649 42955298 107388245 214776490