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214670979 = 342650259
BaseRepresentation
bin11001100101110…
…01111010000011
3112221221102020000
430302321322003
5414423432404
633145051043
75214446625
oct1462717203
9487842200
10214670979
111001a3536
125ba86a83
1335622c63
1420720c15
1513ca6339
hexccb9e83

214670979 has 10 divisors (see below), whose sum is σ = 320681460. Its totient is φ = 143113932.

The previous prime is 214670977. The next prime is 214670993. The reversal of 214670979 is 979076412.

It is not a de Polignac number, because 214670979 - 21 = 214670977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214670977) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1325049 + ... + 1325210.

It is an arithmetic number, because the mean of its divisors is an integer number (32068146).

Almost surely, 2214670979 is an apocalyptic number.

214670979 is a deficient number, since it is larger than the sum of its proper divisors (106010481).

214670979 is an equidigital number, since it uses as much as digits as its factorization.

214670979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650271 (or 2650262 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 214670979 is about 14651.6544799555. The cubic root of 214670979 is about 598.7668924792.

The spelling of 214670979 in words is "two hundred fourteen million, six hundred seventy thousand, nine hundred seventy-nine".

Divisors: 1 3 9 27 81 2650259 7950777 23852331 71556993 214670979