Search a number
-
+
11928800 = 2552133137
BaseRepresentation
bin101101100000…
…010011100000
3211110001020102
4231200103200
511023210200
61103401532
7203251562
oct55402340
924401212
1011928800
116808314
123bb32a8
132618780
141827332
1510a96d5
hexb604e0

11928800 has 144 divisors (see below), whose sum is σ = 33247872. Its totient is φ = 4147200.

The previous prime is 11928799. The next prime is 11928803. The reversal of 11928800 is 882911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11928803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322382 + ... + 322418.

It is an arithmetic number, because the mean of its divisors is an integer number (230888).

Almost surely, 211928800 is an apocalyptic number.

11928800 is a gapful number since it is divisible by the number (10) 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 11928800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16623936).

11928800 is an abundant number, since it is smaller than the sum of its proper divisors (21319072).

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

11928800 is a wasteful number, since it uses less digits than its factorization.

11928800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 11928800 is about 3453.8094909824. The cubic root of 11928800 is about 228.4891519349.

The spelling of 11928800 in words is "eleven million, nine hundred twenty-eight thousand, eight hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 31 32 37 40 50 52 62 65 74 80 100 104 124 130 148 155 160 185 200 208 248 260 296 310 325 370 400 403 416 481 496 520 592 620 650 740 775 800 806 925 962 992 1040 1147 1184 1240 1300 1480 1550 1612 1850 1924 2015 2080 2294 2405 2480 2600 2960 3100 3224 3700 3848 4030 4588 4810 4960 5200 5735 5920 6200 6448 7400 7696 8060 9176 9620 10075 10400 11470 12025 12400 12896 14800 14911 15392 16120 18352 19240 20150 22940 24050 24800 28675 29600 29822 32240 36704 38480 40300 45880 48100 57350 59644 64480 74555 76960 80600 91760 96200 114700 119288 149110 161200 183520 192400 229400 238576 298220 322400 372775 384800 458800 477152 596440 745550 917600 1192880 1491100 2385760 2982200 5964400 11928800