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4542520020 = 2235174453451
BaseRepresentation
bin1000011101100000…
…10101101011010100
3102201120112221000020
410032300111223110
533300341120040
62030425545140
7220365532413
oct41660255324
912646487006
104542520020
111a21152585
12a693451b0
1357514338c
1431141747a
151b8bdbcd0
hex10ec15ad4

4542520020 has 48 divisors (see below), whose sum is σ = 13467238848. Its totient is φ = 1140083200.

The previous prime is 4542520013. The next prime is 4542520051. The reversal of 4542520020 is 200252454.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2225706 + ... + 2227745.

It is an arithmetic number, because the mean of its divisors is an integer number (280567476).

Almost surely, 24542520020 is an apocalyptic number.

It is an amenable number.

4542520020 is an abundant number, since it is smaller than the sum of its proper divisors (8924718828).

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

4542520020 is a wasteful number, since it uses less digits than its factorization.

4542520020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453480 (or 4453478 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 4542520020 is about 67398.2197094256. The cubic root of 4542520020 is about 1656.1472584280.

Adding to 4542520020 its reverse (200252454), we get a palindrome (4742772474).

The spelling of 4542520020 in words is "four billion, five hundred forty-two million, five hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 4453451 8906902 13360353 17813804 22267255 26720706 44534510 53441412 66801765 75708667 89069020 133603530 151417334 227126001 267207060 302834668 378543335 454252002 757086670 908504004 1135630005 1514173340 2271260010 4542520020