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4288851940 = 225277774161
BaseRepresentation
bin1111111110100010…
…1010111111100100
3102001220020020211011
43333220222333210
532240421230230
61545324552004
7211165432342
oct37750527744
912056206734
104288851940
111900a43a3a
129b83b2604
13534718219
142c9864992
151a17d0e2a
hexffa2afe4

4288851940 has 24 divisors (see below), whose sum is σ = 9039115512. Its totient is φ = 1709345280.

The previous prime is 4288851937. The next prime is 4288851997. The reversal of 4288851940 is 491588824.

It can be written as a sum of positive squares in 4 ways, for example, as 115433536 + 4173418404 = 10744^2 + 64602^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381541 + ... + 392620.

It is an arithmetic number, because the mean of its divisors is an integer number (376629813).

Almost surely, 24288851940 is an apocalyptic number.

It is an amenable number.

4288851940 is an abundant number, since it is smaller than the sum of its proper divisors (4750263572).

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

4288851940 is a wasteful number, since it uses less digits than its factorization.

4288851940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774447 (or 774445 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 49.

The square root of 4288851940 is about 65489.3269166816. The cubic root of 4288851940 is about 1624.7268261906.

The spelling of 4288851940 in words is "four billion, two hundred eighty-eight million, eight hundred fifty-one thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 277 554 1108 1385 2770 5540 774161 1548322 3096644 3870805 7741610 15483220 214442597 428885194 857770388 1072212985 2144425970 4288851940