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2172649214 = 27314881159
BaseRepresentation
bin1000000101111111…
…1111111011111110
312121102020000102102
42001133333323332
513422144233324
6555331225102
7104561133161
oct20137777376
95542200372
102172649214
11a1544956a
12507748192
13288176468
1416879bad8
15cab17dae
hex817ffefe

2172649214 has 8 divisors (see below), whose sum is σ = 3303617520. Its totient is φ = 1071443376.

The previous prime is 2172649201. The next prime is 2172649243. The reversal of 2172649214 is 4129462712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7440434 + ... + 7440725.

It is an arithmetic number, because the mean of its divisors is an integer number (412952190).

Almost surely, 22172649214 is an apocalyptic number.

2172649214 is a deficient number, since it is larger than the sum of its proper divisors (1130968306).

2172649214 is a wasteful number, since it uses less digits than its factorization.

2172649214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14881234.

The product of its digits is 48384, while the sum is 38.

The square root of 2172649214 is about 46611.6853803850. The cubic root of 2172649214 is about 1295.1792289315.

The spelling of 2172649214 in words is "two billion, one hundred seventy-two million, six hundred forty-nine thousand, two hundred fourteen".

Divisors: 1 2 73 146 14881159 29762318 1086324607 2172649214