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4020244930 = 2513173178757
BaseRepresentation
bin1110111110100000…
…0001000111000010
3101101011210121021101
43233220001013002
531213140314210
61502531445014
7201424342462
oct35750010702
911334717241
104020244930
111783361579
1294245676a
134c0b8c470
142a1d03ba2
15187e23a3a
hexefa011c2

4020244930 has 32 divisors (see below), whose sum is σ = 7838180784. Its totient is φ = 1475809536.

The previous prime is 4020244927. The next prime is 4020244931. The reversal of 4020244930 is 394420204.

It can be written as a sum of positive squares in 8 ways, for example, as 2186778169 + 1833466761 = 46763^2 + 42819^2 .

It is not an unprimeable number, because it can be changed into a prime (4020244931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66889 + ... + 111868.

Almost surely, 24020244930 is an apocalyptic number.

4020244930 is a deficient number, since it is larger than the sum of its proper divisors (3817935854).

4020244930 is a wasteful number, since it uses less digits than its factorization.

4020244930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178950.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 4020244930 is about 63405.4014260615. The cubic root of 4020244930 is about 1590.0746151185.

The spelling of 4020244930 in words is "four billion, twenty million, two hundred forty-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 173 346 865 1730 2249 4498 11245 22490 178757 357514 893785 1787570 2323841 4647682 11619205 23238410 30924961 61849922 154624805 309249610 402024493 804048986 2010122465 4020244930