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60070221 = 337572939
BaseRepresentation
bin1110010100100…
…1100101001101
311012000212212000
43211021211031
5110334221341
65543302513
71326405561
oct345114515
9135025760
1060070221
11309a9712
121814aa39
13c5a2c13
147d996a1
1554188b6
hex394994d

60070221 has 16 divisors (see below), whose sum is σ = 89140800. Its totient is φ = 39980304.

The previous prime is 60070217. The next prime is 60070243. The reversal of 60070221 is 12207006.

It is a happy number.

60070221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 60070221 - 22 = 60070217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 60070194 and 60070203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60070261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18970 + ... + 21908.

It is an arithmetic number, because the mean of its divisors is an integer number (5571300).

Almost surely, 260070221 is an apocalyptic number.

It is an amenable number.

60070221 is a deficient number, since it is larger than the sum of its proper divisors (29070579).

60070221 is a wasteful number, since it uses less digits than its factorization.

60070221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705 (or 3699 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 60070221 is about 7750.4981130247. The cubic root of 60070221 is about 391.6394300863.

Adding to 60070221 its reverse (12207006), we get a palindrome (72277227).

The spelling of 60070221 in words is "sixty million, seventy thousand, two hundred twenty-one".

Divisors: 1 3 9 27 757 2271 2939 6813 8817 20439 26451 79353 2224823 6674469 20023407 60070221