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2920219 = 73109367
BaseRepresentation
bin1011001000111100011011
312111100210021
423020330123
51221421334
6142331311
733551521
oct13107433
95440707
102920219
111715005
12b89b37
137b3253
14560311
153ca3b4
hex2c8f1b

2920219 has 8 divisors (see below), whose sum is σ = 2995520. Its totient is φ = 2846016.

The previous prime is 2920207. The next prime is 2920237. The reversal of 2920219 is 9120292.

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

It is a cyclic number.

It is not a de Polignac number, because 2920219 - 25 = 2920187 is a prime.

It is a super-2 number, since 2×29202192 = 17055358015922, which contains 22 as substring.

It is a Duffinian number.

2920219 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2920193 and 2920202.

It is not an unprimeable number, because it can be changed into a prime (2920249) 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, 7774 + ... + 8140.

It is an arithmetic number, because the mean of its divisors is an integer number (374440).

22920219 is an apocalyptic number.

2920219 is a deficient number, since it is larger than the sum of its proper divisors (75301).

2920219 is a wasteful number, since it uses less digits than its factorization.

2920219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2920219 is about 1708.8648278901. The cubic root of 2920219 is about 142.9349631717.

The spelling of 2920219 in words is "two million, nine hundred twenty thousand, two hundred nineteen".

Divisors: 1 73 109 367 7957 26791 40003 2920219