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1803854132 = 226752112919
BaseRepresentation
bin110101110000100…
…1010000100110100
311122201021021200022
41223201022010310
512143241313012
6454554504312
762462335643
oct15341120464
94581237608
101803854132
11846257343
12424135098
1322993c412
141317db35a
15a856a472
hex6b84a134

1803854132 has 24 divisors (see below), whose sum is σ = 3210258240. Its totient is φ = 886691520.

The previous prime is 1803854131. The next prime is 1803854137. The reversal of 1803854132 is 2314583081.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1803854092 and 1803854101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1803854131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133169 + ... + 146087.

It is an arithmetic number, because the mean of its divisors is an integer number (133760760).

Almost surely, 21803854132 is an apocalyptic number.

It is an amenable number.

1803854132 is a deficient number, since it is larger than the sum of its proper divisors (1406404108).

1803854132 is a wasteful number, since it uses less digits than its factorization.

1803854132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13511 (or 13509 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1803854132 is about 42471.8039645127. The cubic root of 1803854132 is about 1217.3079879398.

The spelling of 1803854132 in words is "one billion, eight hundred three million, eight hundred fifty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 67 134 268 521 1042 2084 12919 25838 34907 51676 69814 139628 865573 1731146 3462292 6730799 13461598 26923196 450963533 901927066 1803854132