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4905452142 = 232877310747
BaseRepresentation
bin1001001000110001…
…10100001001101110
3110122212110210021200
410210120310021232
540021243432032
62130432510330
7232363440513
oct44430641156
913585423250
104905452142
112097aaa888
12b4a9ab3a6
136023a6906
143476cd30a
151da9cc47c
hex12463426e

4905452142 has 24 divisors (see below), whose sum is σ = 10640633016. Its totient is φ = 1633280976.

The previous prime is 4905452141. The next prime is 4905452161. The reversal of 4905452142 is 2412545094.

It is a happy number.

4905452142 is a `hidden beast` number, since 4 + 90 + 5 + 4 + 521 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4905452097 and 4905452106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4905452141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139588 + ... + 171159.

It is an arithmetic number, because the mean of its divisors is an integer number (443359709).

Almost surely, 24905452142 is an apocalyptic number.

4905452142 is an abundant number, since it is smaller than the sum of its proper divisors (5735180874).

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

4905452142 is a wasteful number, since it uses less digits than its factorization.

4905452142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311632 (or 311629 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 4905452142 is about 70038.9330444147. The cubic root of 4905452142 is about 1699.1289819413.

The spelling of 4905452142 in words is "four billion, nine hundred five million, four hundred fifty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 877 1754 2631 5262 7893 15786 310747 621494 932241 1864482 2796723 5593446 272525119 545050238 817575357 1635150714 2452726071 4905452142