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4243246938 = 233713185691
BaseRepresentation
bin1111110011101010…
…1100111101011010
3101221201102021112000
43330322230331122
532142232400223
61541015301430
7210103001220
oct37472547532
911851367460
104243246938
111888225257
129a507a876
1352813b408
142c3792b10
1519c7c3543
hexfceacf5a

4243246938 has 64 divisors (see below), whose sum is σ = 10858890240. Its totient is φ = 1203087600.

The previous prime is 4243246921. The next prime is 4243246957. The reversal of 4243246938 is 8396423424.

It is a junction number, because it is equal to n+sod(n) for n = 4243246893 and 4243246902.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6673 + ... + 92363.

It is an arithmetic number, because the mean of its divisors is an integer number (169670160).

Almost surely, 24243246938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243246938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5429445120).

4243246938 is an abundant number, since it is smaller than the sum of its proper divisors (6615643302).

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

4243246938 is a wasteful number, since it uses less digits than its factorization.

4243246938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85840 (or 85834 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 4243246938 is about 65140.2098400059. The cubic root of 4243246938 is about 1618.9475125233.

The spelling of 4243246938 in words is "four billion, two hundred forty-three million, two hundred forty-six thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 131 189 262 378 393 786 917 1179 1834 2358 2751 3537 5502 7074 8253 16506 24759 49518 85691 171382 257073 514146 599837 771219 1199674 1542438 1799511 2313657 3599022 4627314 5398533 10797066 11225521 16195599 22451042 32391198 33676563 67353126 78578647 101029689 157157294 202059378 235735941 303089067 471471882 606178134 707207823 1414415646 2121623469 4243246938