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4912890 = 235295647
BaseRepresentation
bin10010101111011011111010
3100020121012220
4102233123322
52224203030
6253144510
756521203
oct22573372
910217186
104912890
112856144
12178b136
131030248
1491c5aa
15670a10
hex4af6fa

4912890 has 32 divisors (see below), whose sum is σ = 12199680. Its totient is φ = 1264704.

The previous prime is 4912841. The next prime is 4912891. The reversal of 4912890 is 982194.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4912891) 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, 1954 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (381240).

Almost surely, 24912890 is an apocalyptic number.

4912890 is an abundant number, since it is smaller than the sum of its proper divisors (7286790).

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

4912890 is a wasteful number, since it uses less digits than its factorization.

4912890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 4912890 is about 2216.5040040568. The cubic root of 4912890 is about 169.9987312477.

The spelling of 4912890 in words is "four million, nine hundred twelve thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 5647 11294 16941 28235 33882 56470 84705 163763 169410 327526 491289 818815 982578 1637630 2456445 4912890