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60070660 = 22513231041
BaseRepresentation
bin1110010100100…
…1101100000100
311012000220110021
43211021230010
5110334230120
65543304524
71326410056
oct345115404
9135026407
1060070660
11309a9a81
121814b144
13c5a3190
147d998d6
155418aaa
hex3949b04

60070660 has 24 divisors (see below), whose sum is σ = 135852696. Its totient is φ = 22179840.

The previous prime is 60070651. The next prime is 60070679. The reversal of 60070660 is 6607006.

It can be written as a sum of positive squares in 4 ways, for example, as 10705984 + 49364676 = 3272^2 + 7026^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115261 + ... + 115780.

It is an arithmetic number, because the mean of its divisors is an integer number (5660529).

Almost surely, 260070660 is an apocalyptic number.

It is an amenable number.

60070660 is an abundant number, since it is smaller than the sum of its proper divisors (75782036).

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

60070660 is a wasteful number, since it uses less digits than its factorization.

60070660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231063 (or 231061 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 60070660 is about 7750.5264337334. The cubic root of 60070660 is about 391.6403841324.

Adding to 60070660 its reverse (6607006), we get a palindrome (66677666).

The spelling of 60070660 in words is "sixty million, seventy thousand, six hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 231041 462082 924164 1155205 2310410 3003533 4620820 6007066 12014132 15017665 30035330 60070660