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2012930 = 251011993
BaseRepresentation
bin111101011011100000010
310210021012222
413223130002
51003403210
6111051042
723052413
oct7533402
93707188
102012930
111155387
12810a82
135562aa
143a580a
1529b655
hex1eb702

2012930 has 16 divisors (see below), whose sum is σ = 3660984. Its totient is φ = 796800.

The previous prime is 2012909. The next prime is 2012951. The reversal of 2012930 is 392102.

It is an interprime number because it is at equal distance from previous prime (2012909) and next prime (2012951).

It can be written as a sum of positive squares in 4 ways, for example, as 2007889 + 5041 = 1417^2 + 71^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2012899 and 2012908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14 + ... + 2006.

22012930 is an apocalyptic number.

2012930 is a deficient number, since it is larger than the sum of its proper divisors (1648054).

2012930 is a wasteful number, since it uses less digits than its factorization.

2012930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2012930 is about 1418.7776429025. Note that the first 3 decimals coincide. The cubic root of 2012930 is about 126.2630349578.

The spelling of 2012930 in words is "two million, twelve thousand, nine hundred thirty".

Divisors: 1 2 5 10 101 202 505 1010 1993 3986 9965 19930 201293 402586 1006465 2012930