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1830276 = 22357269
BaseRepresentation
bin110111110110110000100
310102222200000
412332312010
5432032101
6103121300
721362040
oct6766604
93388600
101830276
111040128
12743230
134c1106
14359020
15262486
hex1bed84

1830276 has 72 divisors (see below), whose sum is σ = 5503680. Its totient is φ = 520992.

The previous prime is 1830263. The next prime is 1830287. The reversal of 1830276 is 6720381.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6670 + ... + 6938.

It is an arithmetic number, because the mean of its divisors is an integer number (76440).

21830276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1830276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2751840).

1830276 is an abundant number, since it is smaller than the sum of its proper divisors (3673404).

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

1830276 is a wasteful number, since it uses less digits than its factorization.

1830276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1830276 is about 1352.8769345362. The cubic root of 1830276 is about 122.3222689859.

The spelling of 1830276 in words is "one million, eight hundred thirty thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 243 252 269 324 378 486 538 567 756 807 972 1076 1134 1614 1701 1883 2268 2421 3228 3402 3766 4842 5649 6804 7263 7532 9684 11298 14526 16947 21789 22596 29052 33894 43578 50841 65367 67788 87156 101682 130734 152523 203364 261468 305046 457569 610092 915138 1830276