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1830632 = 23228829
BaseRepresentation
bin110111110111011101000
310110000011012
412332323220
5432040012
6103123052
721363056
oct6767350
93400135
101830632
111040421
12743488
134c131b
143591d6
15262622
hex1beee8

1830632 has 8 divisors (see below), whose sum is σ = 3432450. Its totient is φ = 915312.

The previous prime is 1830629. The next prime is 1830637. The reversal of 1830632 is 2360381.

It can be written as a sum of positive squares in only one way, i.e., 1779556 + 51076 = 1334^2 + 226^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1830598 and 1830607.

It is not an unprimeable number, because it can be changed into a prime (1830637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114407 + ... + 114422.

21830632 is an apocalyptic number.

It is an amenable number.

1830632 is a deficient number, since it is larger than the sum of its proper divisors (1601818).

1830632 is a wasteful number, since it uses less digits than its factorization.

1830632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228835 (or 228831 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1830632 is about 1353.0084996038. The cubic root of 1830632 is about 122.3301992843.

Subtracting from 1830632 its sum of digits (23), we obtain a square (1830609 = 13532).

The spelling of 1830632 in words is "one million, eight hundred thirty thousand, six hundred thirty-two".

Divisors: 1 2 4 8 228829 457658 915316 1830632