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219079042 = 27131203731
BaseRepresentation
bin11010000111011…
…10000110000010
3120021020100221121
431003232012002
5422041012132
633423342454
75300066260
oct1503560602
9507210847
10219079042
11102734366
1261451a2a
1336507490
142114b430
1514377497
hexd0ee182

219079042 has 16 divisors (see below), whose sum is σ = 404453952. Its totient is φ = 86668560.

The previous prime is 219079039. The next prime is 219079061. The reversal of 219079042 is 240970912.

It is a happy number.

219079042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 219078989 and 219079007.

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, 601684 + ... + 602047.

It is an arithmetic number, because the mean of its divisors is an integer number (25278372).

Almost surely, 2219079042 is an apocalyptic number.

219079042 is a deficient number, since it is larger than the sum of its proper divisors (185374910).

219079042 is a wasteful number, since it uses less digits than its factorization.

219079042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203753.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 219079042 is about 14801.3189277172. The cubic root of 219079042 is about 602.8375244193.

The spelling of 219079042 in words is "two hundred nineteen million, seventy-nine thousand, forty-two".

Divisors: 1 2 7 13 14 26 91 182 1203731 2407462 8426117 15648503 16852234 31297006 109539521 219079042