Search a number
-
+
45228800 = 285237191
BaseRepresentation
bin1010110010001…
…0001100000000
310011002212020202
42230202030000
543034310200
64253224332
71056303251
oct254421400
9104085222
1045228800
1123592081
12131920a8
1394a7806
146014b28
153e861d5
hex2b22300

45228800 has 108 divisors (see below), whose sum is σ = 115575936. Its totient is φ = 17510400.

The previous prime is 45228791. The next prime is 45228803. The reversal of 45228800 is 882254.

It is not an unprimeable number, because it can be changed into a prime (45228803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236705 + ... + 236895.

Almost surely, 245228800 is an apocalyptic number.

45228800 is a gapful number since it is divisible by the number (40) 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 45228800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57787968).

45228800 is an abundant number, since it is smaller than the sum of its proper divisors (70347136).

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

45228800 is a wasteful number, since it uses less digits than its factorization.

45228800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 45228800 is about 6725.2360553366. The cubic root of 45228800 is about 356.2911391909.

The spelling of 45228800 in words is "forty-five million, two hundred twenty-eight thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 37 40 50 64 74 80 100 128 148 160 185 191 200 256 296 320 370 382 400 592 640 740 764 800 925 955 1184 1280 1480 1528 1600 1850 1910 2368 2960 3056 3200 3700 3820 4736 4775 5920 6112 6400 7067 7400 7640 9472 9550 11840 12224 14134 14800 15280 19100 23680 24448 28268 29600 30560 35335 38200 47360 48896 56536 59200 61120 70670 76400 113072 118400 122240 141340 152800 176675 226144 236800 244480 282680 305600 353350 452288 565360 611200 706700 904576 1130720 1222400 1413400 1809152 2261440 2826800 4522880 5653600 9045760 11307200 22614400 45228800