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43487000874 = 234268438277
BaseRepresentation
bin101000100000000001…
…101111100100101010
311011020200110112110000
4220200001233210222
51203030133011444
631551101203430
73066435260052
oct504001574452
9134220415400
1043487000874
1117496307449
128517860576
13414061a1a5
142167744562
1511e7bc7469
hexa2006f92a

43487000874 has 20 divisors (see below), whose sum is σ = 97443094914. Its totient is φ = 14495666904.

The previous prime is 43487000873. The next prime is 43487000917. The reversal of 43487000874 is 47800078434.

It can be written as a sum of positive squares in only one way, i.e., 40017201849 + 3469799025 = 200043^2 + 58905^2 .

It is a super-2 number, since 2×434870008742 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43487000873) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 134218977 + ... + 134219300.

Almost surely, 243487000874 is an apocalyptic number.

43487000874 is an abundant number, since it is smaller than the sum of its proper divisors (53956094040).

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

43487000874 is a wasteful number, since it uses less digits than its factorization.

43487000874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268438291 (or 268438282 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 43487000874 in words is "forty-three billion, four hundred eighty-seven million, eight hundred seventy-four", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 27 54 81 162 268438277 536876554 805314831 1610629662 2415944493 4831888986 7247833479 14495666958 21743500437 43487000874