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49303980 = 223251137673
BaseRepresentation
bin1011110000010…
…1000110101100
310102202220100100
42330011012230
5100110211410
64520431100
71136035245
oct274050654
9112686310
1049303980
11259158a0
1214618490
13a2a366b
146795ccc
1544dd8c0
hex2f051ac

49303980 has 144 divisors (see below), whose sum is σ = 167809824. Its totient is φ = 11612160.

The previous prime is 49303967. The next prime is 49304009. The reversal of 49303980 is 8930394.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72924 + ... + 73596.

It is an arithmetic number, because the mean of its divisors is an integer number (1165346).

Almost surely, 249303980 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 49303980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83904912).

49303980 is an abundant number, since it is smaller than the sum of its proper divisors (118505844).

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

49303980 is a wasteful number, since it uses less digits than its factorization.

49303980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 49303980 is about 7021.6792863246. The cubic root of 49303980 is about 366.6857161820.

The spelling of 49303980 in words is "forty-nine million, three hundred three thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 37 44 45 55 60 66 74 90 99 110 111 132 148 165 180 185 198 220 222 330 333 370 396 407 444 495 555 660 666 673 740 814 990 1110 1221 1332 1346 1628 1665 1980 2019 2035 2220 2442 2692 3330 3365 3663 4038 4070 4884 6057 6105 6660 6730 7326 7403 8076 8140 10095 12114 12210 13460 14652 14806 18315 20190 22209 24228 24420 24901 29612 30285 36630 37015 40380 44418 49802 60570 66627 73260 74030 74703 88836 99604 111045 121140 124505 133254 148060 149406 222090 224109 249010 266508 273911 298812 333135 373515 444180 448218 498020 547822 666270 747030 821733 896436 1095644 1120545 1332540 1369555 1494060 1643466 2241090 2465199 2739110 3286932 4108665 4482180 4930398 5478220 8217330 9860796 12325995 16434660 24651990 49303980