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1830996 = 2232181281
BaseRepresentation
bin110111111000001010100
310110000122200
412333001110
5432042441
6103124500
721364116
oct6770124
93400580
101830996
111040722
12743730
134c153b
143593b6
152627b6
hex1bf054

1830996 has 36 divisors (see below), whose sum is σ = 4670484. Its totient is φ = 604800.

The previous prime is 1830977. The next prime is 1831001. The reversal of 1830996 is 6990381.

It can be written as a sum of positive squares in 2 ways, for example, as 476100 + 1354896 = 690^2 + 1164^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1830996.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 6376 + ... + 6656.

21830996 is an apocalyptic number.

It is an amenable number.

1830996 is an abundant number, since it is smaller than the sum of its proper divisors (2839488).

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

1830996 is a wasteful number, since it uses less digits than its factorization.

1830996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1830996 is about 1353.1430079633. The cubic root of 1830996 is about 122.3383067288.

The spelling of 1830996 in words is "one million, eight hundred thirty thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 181 281 362 543 562 724 843 1086 1124 1629 1686 2172 2529 3258 3372 5058 6516 10116 50861 101722 152583 203444 305166 457749 610332 915498 1830996