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1830106 = 2915053
BaseRepresentation
bin110111110110011011010
310102222102201
412332303122
5432030411
6103120414
721361405
oct6766332
93388381
101830106
11103aa93
1274310a
134c1005
14358d3c
152623c1
hex1becda

1830106 has 4 divisors (see below), whose sum is σ = 2745162. Its totient is φ = 915052.

The previous prime is 1830089. The next prime is 1830113. The reversal of 1830106 is 6010381.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6010381 = 13462337.

It can be written as a sum of positive squares in only one way, i.e., 1585081 + 245025 = 1259^2 + 495^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457525 + ... + 457528.

21830106 is an apocalyptic number.

1830106 is a deficient number, since it is larger than the sum of its proper divisors (915056).

1830106 is an equidigital number, since it uses as much as digits as its factorization.

1830106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915055.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1830106 is about 1352.8141040069. The cubic root of 1830106 is about 122.3184816829.

Adding to 1830106 its reverse (6010381), we get a palindrome (7840487).

It can be divided in two parts, 1830 and 106, that added together give a square (1936 = 442).

The spelling of 1830106 in words is "one million, eight hundred thirty thousand, one hundred six".

Divisors: 1 2 915053 1830106