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207045120 = 293526959
BaseRepresentation
bin11000101011101…
…00001000000000
3112102120222111210
430111310020000
5411000420440
632313410120
75062566042
oct1425641000
9472528453
10207045120
11a6965077
1259409940
1333b82c09
141d6d7a92
151329ba80
hexc574200

207045120 has 80 divisors (see below), whose sum is σ = 661921920. Its totient is φ = 55209984.

The previous prime is 207045119. The next prime is 207045127. The reversal of 207045120 is 21540702.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (207045127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5800 + ... + 21159.

It is an arithmetic number, because the mean of its divisors is an integer number (8274024).

Almost surely, 2207045120 is an apocalyptic number.

207045120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207045120 is an abundant number, since it is smaller than the sum of its proper divisors (454876800).

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

207045120 is an equidigital number, since it uses as much as digits as its factorization.

207045120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26985 (or 26969 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 207045120 is about 14389.0625128950. The cubic root of 207045120 is about 591.5911469659.

Adding to 207045120 its reverse (21540702), we get a palindrome (228585822).

The spelling of 207045120 in words is "two hundred seven million, forty-five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1280 1536 1920 2560 3840 7680 26959 53918 80877 107836 134795 161754 215672 269590 323508 404385 431344 539180 647016 808770 862688 1078360 1294032 1617540 1725376 2156720 2588064 3235080 3450752 4313440 5176128 6470160 6901504 8626880 10352256 12940320 13803008 17253760 20704512 25880640 34507520 41409024 51761280 69015040 103522560 207045120