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4988172 = 2237431381
BaseRepresentation
bin10011000001110100001100
3100101102111010
4103001310030
52234110142
6254525220
760253530
oct23016414
910342433
104988172
1128a7762
121806810
1310585a7
1493bbc0
15687e9c
hex4c1d0c

4988172 has 48 divisors (see below), whose sum is σ = 13620992. Its totient is φ = 1391040.

The previous prime is 4988143. The next prime is 4988173. The reversal of 4988172 is 2718894.

It is a self number, because there is not a number n which added to its sum of digits gives 4988172.

It is not an unprimeable number, because it can be changed into a prime (4988173) 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, 2922 + ... + 4302.

Almost surely, 24988172 is an apocalyptic number.

4988172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4988172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6810496).

4988172 is an abundant number, since it is smaller than the sum of its proper divisors (8632820).

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

4988172 is a wasteful number, since it uses less digits than its factorization.

4988172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438 (or 1436 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 4988172 is about 2233.4215902959. The cubic root of 4988172 is about 170.8626509007.

The spelling of 4988172 in words is "four million, nine hundred eighty-eight thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 43 84 86 129 172 258 301 516 602 903 1204 1381 1806 2762 3612 4143 5524 8286 9667 16572 19334 29001 38668 58002 59383 116004 118766 178149 237532 356298 415681 712596 831362 1247043 1662724 2494086 4988172