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1803052040 = 235110340867
BaseRepresentation
bin110101101111000…
…0110010000001000
311122122202112102012
41223132012100020
512143040131130
6454525355052
762452455326
oct15336062010
94578675365
101803052040
11845859759
12423a08a88
1322971b2ca
1413166cd16
15a845c995
hex6b786408

1803052040 has 32 divisors (see below), whose sum is σ = 4060644480. Its totient is φ = 720549312.

The previous prime is 1803052021. The next prime is 1803052057. The reversal of 1803052040 is 402503081.

It is a junction number, because it is equal to n+sod(n) for n = 1803051997 and 1803052015.

It is an unprimeable number.

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, 23687 + ... + 64553.

It is an arithmetic number, because the mean of its divisors is an integer number (126895140).

Almost surely, 21803052040 is an apocalyptic number.

1803052040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1803052040 is an abundant number, since it is smaller than the sum of its proper divisors (2257592440).

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

1803052040 is a wasteful number, since it uses less digits than its factorization.

1803052040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41981 (or 41977 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1803052040 is about 42462.3602735411. The cubic root of 1803052040 is about 1217.1275340003.

The spelling of 1803052040 in words is "one billion, eight hundred three million, fifty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1103 2206 4412 5515 8824 11030 22060 40867 44120 81734 163468 204335 326936 408670 817340 1634680 45076301 90152602 180305204 225381505 360610408 450763010 901526020 1803052040