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52041800 = 2352260209
BaseRepresentation
bin1100011010000…
…1100001001000
310121220222221002
43012201201020
5101310314200
65055234132
71201230236
oct306414110
9117828832
1052041800
1127415858
1215518948
13aa21885
146ca9956
15487ebd5
hex31a1848

52041800 has 24 divisors (see below), whose sum is σ = 120997650. Its totient is φ = 20816640.

The previous prime is 52041799. The next prime is 52041809. The reversal of 52041800 is 814025.

It can be written as a sum of positive squares in 3 ways, for example, as 47969476 + 4072324 = 6926^2 + 2018^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (52041809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129905 + ... + 130304.

Almost surely, 252041800 is an apocalyptic number.

52041800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52041800 is an abundant number, since it is smaller than the sum of its proper divisors (68955850).

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

52041800 is a wasteful number, since it uses less digits than its factorization.

52041800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260225 (or 260216 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 52041800 is about 7214.0002772387. Note that the first 3 decimals coincide. The cubic root of 52041800 is about 373.3511010535.

Adding to 52041800 its reverse (814025), we get a palindrome (52855825).

The spelling of 52041800 in words is "fifty-two million, forty-one thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 260209 520418 1040836 1301045 2081672 2602090 5204180 6505225 10408360 13010450 26020900 52041800