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2213998 = 21106999
BaseRepresentation
bin1000011100100001101110
311011111000221
420130201232
51031321443
6115241554
724550543
oct10344156
94144027
102213998
111282456
128a92ba
135c6977
14418bca
152daeed
hex21c86e

2213998 has 4 divisors (see below), whose sum is σ = 3321000. Its totient is φ = 1106998.

The previous prime is 2213983. The next prime is 2214001. The reversal of 2213998 is 8993122.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553498 + ... + 553501.

It is an arithmetic number, because the mean of its divisors is an integer number (830250).

22213998 is an apocalyptic number.

2213998 is a deficient number, since it is larger than the sum of its proper divisors (1107002).

2213998 is a wasteful number, since it uses less digits than its factorization.

2213998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107001.

The product of its digits is 7776, while the sum is 34.

The square root of 2213998 is about 1487.9509400515. The cubic root of 2213998 is about 130.3344053275.

The spelling of 2213998 in words is "two million, two hundred thirteen thousand, nine hundred ninety-eight".

Divisors: 1 2 1106999 2213998