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2199930 = 23573331
BaseRepresentation
bin1000011001000101111010
311010202201220
420121011322
51030344210
6115052510
724461535
oct10310572
94122656
102199930
111272927
128a1136
135c0445
14413a1c
152d6c70
hex21917a

2199930 has 16 divisors (see below), whose sum is σ = 5279904. Its totient is φ = 586640.

The previous prime is 2199917. The next prime is 2199931. The reversal of 2199930 is 399912.

It is a junction number, because it is equal to n+sod(n) for n = 2199891 and 2199900.

It is not an unprimeable number, because it can be changed into a prime (2199931) 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, 36636 + ... + 36695.

It is an arithmetic number, because the mean of its divisors is an integer number (329994).

22199930 is an apocalyptic number.

2199930 is an abundant number, since it is smaller than the sum of its proper divisors (3079974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2199930 is a wasteful number, since it uses less digits than its factorization.

2199930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73341.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 2199930 is about 1483.2161002362. The cubic root of 2199930 is about 130.0577652553.

The spelling of 2199930 in words is "two million, one hundred ninety-nine thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73331 146662 219993 366655 439986 733310 1099965 2199930