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4947892 = 221379029
BaseRepresentation
bin10010110111111110110100
3100022101020021
4102313332310
52231313032
6254014524
760025225
oct22677664
910271207
104947892
11287a474
1217a7444
131043161
1492b24c
1567b097
hex4b7fb4

4947892 has 12 divisors (see below), whose sum is σ = 8722980. Its totient is φ = 2455616.

The previous prime is 4947871. The next prime is 4947949. The reversal of 4947892 is 2987494.

It can be written as a sum of positive squares in 2 ways, for example, as 4301476 + 646416 = 2074^2 + 804^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3967 + ... + 5062.

It is an arithmetic number, because the mean of its divisors is an integer number (726915).

Almost surely, 24947892 is an apocalyptic number.

It is an amenable number.

4947892 is a deficient number, since it is larger than the sum of its proper divisors (3775088).

4947892 is a wasteful number, since it uses less digits than its factorization.

4947892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9170 (or 9168 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 4947892 is about 2224.3857579116. The cubic root of 4947892 is about 170.4014962361.

The spelling of 4947892 in words is "four million, nine hundred forty-seven thousand, eight hundred ninety-two".

Divisors: 1 2 4 137 274 548 9029 18058 36116 1236973 2473946 4947892