Search a number
-
+
45336720 = 243511131321
BaseRepresentation
bin1010110011110…
…0100010010000
310011022100021210
42230330202100
543101233340
64255420120
71060233012
oct254744220
9104270253
1045336720
1123656170
1213224640
139514980
1460421b2
153ea8180
hex2b3c890

45336720 has 160 divisors (see below), whose sum is σ = 165239424. Its totient is φ = 10137600.

The previous prime is 45336691. The next prime is 45336727. The reversal of 45336720 is 2763354.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45336727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33660 + ... + 34980.

Almost surely, 245336720 is an apocalyptic number.

45336720 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 45336720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82619712).

45336720 is an abundant number, since it is smaller than the sum of its proper divisors (119902704).

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

45336720 is a wasteful number, since it uses less digits than its factorization.

45336720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 45336720 is about 6733.2547850204. The cubic root of 45336720 is about 356.5742950395.

It can be divided in two parts, 45336 and 720, that added together give a triangular number (46056 = T303).

The spelling of 45336720 in words is "forty-five million, three hundred thirty-six thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 24 26 30 33 39 40 44 48 52 55 60 65 66 78 80 88 104 110 120 130 132 143 156 165 176 195 208 220 240 260 264 286 312 330 390 429 440 520 528 572 624 660 715 780 858 880 1040 1144 1320 1321 1430 1560 1716 2145 2288 2640 2642 2860 3120 3432 3963 4290 5284 5720 6605 6864 7926 8580 10568 11440 13210 14531 15852 17160 17173 19815 21136 26420 29062 31704 34320 34346 39630 43593 51519 52840 58124 63408 68692 72655 79260 85865 87186 103038 105680 116248 137384 145310 158520 171730 174372 188903 206076 217965 232496 257595 274768 290620 317040 343460 348744 377806 412152 435930 515190 566709 581240 686920 697488 755612 824304 871860 944515 1030380 1133418 1162480 1373840 1511224 1743720 1889030 2060760 2266836 2833545 3022448 3487440 3778060 4121520 4533672 5667090 7556120 9067344 11334180 15112240 22668360 45336720