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4989672 = 2332371873
BaseRepresentation
bin10011000010001011101000
3100101111112200
4103002023220
52234132142
6254540200
760261102
oct23021350
910344480
104989672
1128a88a6
121807660
13105918c
1493c572
1568864c
hex4c22e8

4989672 has 48 divisors (see below), whose sum is σ = 13886340. Its totient is φ = 1617408.

The previous prime is 4989641. The next prime is 4989697. The reversal of 4989672 is 2769894.

It is a happy number.

4989672 is a `hidden beast` number, since 498 + 96 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4955076 + 34596 = 2226^2 + 186^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1728 + ... + 3600.

Almost surely, 24989672 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 4989672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6943170).

4989672 is an abundant number, since it is smaller than the sum of its proper divisors (8896668).

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

4989672 is a wasteful number, since it uses less digits than its factorization.

4989672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922 (or 1915 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 4989672 is about 2233.7573726795. The cubic root of 4989672 is about 170.8797759644.

The spelling of 4989672 in words is "four million, nine hundred eighty-nine thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 72 74 111 148 222 296 333 444 666 888 1332 1873 2664 3746 5619 7492 11238 14984 16857 22476 33714 44952 67428 69301 134856 138602 207903 277204 415806 554408 623709 831612 1247418 1663224 2494836 4989672