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60221990 = 2517354247
BaseRepresentation
bin1110010110111…
…0101000100110
311012022121001002
43211232220212
5110404100430
65550433302
71330610213
oct345565046
9135277032
1060221990
1130aa2744
1218202832
13c62701a
147dd8b0a
155448845
hex396ea26

60221990 has 16 divisors (see below), whose sum is σ = 114776352. Its totient is φ = 22671744.

The previous prime is 60221929. The next prime is 60221999. The reversal of 60221990 is 9912206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60221999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176954 + ... + 177293.

It is an arithmetic number, because the mean of its divisors is an integer number (7173522).

Almost surely, 260221990 is an apocalyptic number.

60221990 is a deficient number, since it is larger than the sum of its proper divisors (54554362).

60221990 is a wasteful number, since it uses less digits than its factorization.

60221990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354271.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 60221990 is about 7760.2828556696. The cubic root of 60221990 is about 391.9689818230.

The spelling of 60221990 in words is "sixty million, two hundred twenty-one thousand, nine hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 354247 708494 1771235 3542470 6022199 12044398 30110995 60221990