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4947140 = 22511113199
BaseRepresentation
bin10010110111110011000100
3100022100012102
4102313303010
52231302030
6254011232
760023102
oct22676304
910270172
104947140
112879950
1217a6b18
131042a03
1492ac72
1567ac45
hex4b7cc4

4947140 has 48 divisors (see below), whose sum is σ = 11491200. Its totient is φ = 1774080.

The previous prime is 4947121. The next prime is 4947143. The reversal of 4947140 is 417494.

It is not an unprimeable number, because it can be changed into a prime (4947143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24761 + ... + 24959.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

Almost surely, 24947140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4947140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5745600).

4947140 is an abundant number, since it is smaller than the sum of its proper divisors (6544060).

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

4947140 is a wasteful number, since it uses less digits than its factorization.

4947140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 4947140 is about 2224.2167160598. The cubic root of 4947140 is about 170.3928630365.

The spelling of 4947140 in words is "four million, nine hundred forty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 113 199 220 226 398 452 565 796 995 1130 1243 1990 2189 2260 2486 3980 4378 4972 6215 8756 10945 12430 21890 22487 24860 43780 44974 89948 112435 224870 247357 449740 494714 989428 1236785 2473570 4947140