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4930286640 = 243535115851
BaseRepresentation
bin1001001011101111…
…00011010000110000
3110201121012111210220
410211313203100300
540044123133030
62133121053040
7233114513346
oct44567432060
913647174726
104930286640
112100022364
12b57187180
13607590696
1434ab15996
151dcc85a10
hex125de3430

4930286640 has 80 divisors (see below), whose sum is σ = 15290854656. Its totient is φ = 1314144000.

The previous prime is 4930286639. The next prime is 4930286659. The reversal of 4930286640 is 466820394.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 4930286592 and 4930286601.

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, 839715 + ... + 845565.

Almost surely, 24930286640 is an apocalyptic number.

4930286640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4930286640 is an abundant number, since it is smaller than the sum of its proper divisors (10360568016).

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

4930286640 is a wasteful number, since it uses less digits than its factorization.

4930286640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378 (or 9372 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 4930286640 is about 70215.9998860659. Note that the first 3 decimals coincide. The cubic root of 4930286640 is about 1701.9915115224.

The spelling of 4930286640 in words is "four billion, nine hundred thirty million, two hundred eighty-six thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 3511 5851 7022 10533 11702 14044 17553 17555 21066 23404 28088 29255 35106 35110 42132 46808 52665 56176 58510 70212 70220 84264 87765 93616 105330 117020 140424 140440 168528 175530 210660 234040 280848 280880 351060 421320 468080 702120 842640 1404240 20542861 41085722 61628583 82171444 102714305 123257166 164342888 205428610 246514332 308142915 328685776 410857220 493028664 616285830 821714440 986057328 1232571660 1643428880 2465143320 4930286640