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58200420 = 22351922687
BaseRepresentation
bin1101111000000…
…1000101100100
311001111212222010
43132001011210
5104344403140
65435234220
71304460345
oct336010544
9131455863
1058200420
112a941923
12175a8970
13c099b25
147a300cc
155199880
hex3781164

58200420 has 72 divisors (see below), whose sum is σ = 172053504. Its totient is φ = 14697792.

The previous prime is 58200409. The next prime is 58200427. The reversal of 58200420 is 2400285.

It is not an unprimeable number, because it can be changed into a prime (58200427) 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 23 ways as a sum of consecutive naturals, for example, 20317 + ... + 23003.

It is an arithmetic number, because the mean of its divisors is an integer number (2389632).

Almost surely, 258200420 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 58200420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86026752).

58200420 is an abundant number, since it is smaller than the sum of its proper divisors (113853084).

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

58200420 is a wasteful number, since it uses less digits than its factorization.

58200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 58200420 is about 7628.9199759861. The cubic root of 58200420 is about 387.5330141834.

The spelling of 58200420 in words is "fifty-eight million, two hundred thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 361 380 570 722 1083 1140 1444 1805 2166 2687 3610 4332 5374 5415 7220 8061 10748 10830 13435 16122 21660 26870 32244 40305 51053 53740 80610 102106 153159 161220 204212 255265 306318 510530 612636 765795 970007 1021060 1531590 1940014 2910021 3063180 3880028 4850035 5820042 9700070 11640084 14550105 19400140 29100210 58200420