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2196830 = 25219683
BaseRepresentation
bin1000011000010101011110
311010121111002
420120111132
51030244310
6115030302
724446516
oct10302536
94117432
102196830
111270569
1289b392
135bbbcc
14412846
152d5da5
hex21855e

2196830 has 8 divisors (see below), whose sum is σ = 3954312. Its totient is φ = 878728.

The previous prime is 2196829. The next prime is 2196841. The reversal of 2196830 is 386912.

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

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 2196793 and 2196802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109832 + ... + 109851.

It is an arithmetic number, because the mean of its divisors is an integer number (494289).

22196830 is an apocalyptic number.

2196830 is a deficient number, since it is larger than the sum of its proper divisors (1757482).

2196830 is a wasteful number, since it uses less digits than its factorization.

2196830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219690.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2196830 is about 1482.1707054182. The cubic root of 2196830 is about 129.9966468563.

The spelling of 2196830 in words is "two million, one hundred ninety-six thousand, eight hundred thirty".

Divisors: 1 2 5 10 219683 439366 1098415 2196830