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60420577 = 721233073
BaseRepresentation
bin1110011001111…
…1000111100001
311012200200110011
43212133013201
5110431424302
65555004521
71332365200
oct346370741
9135620404
1060420577
1131118968
1218299741
13c696529
14804b237
1554875d7
hex399f1e1

60420577 has 6 divisors (see below), whose sum is σ = 70285218. Its totient is φ = 51789024.

The previous prime is 60420557. The next prime is 60420599. The reversal of 60420577 is 77502406.

It can be written as a sum of positive squares in only one way, i.e., 49688401 + 10732176 = 7049^2 + 3276^2 .

It is not a de Polignac number, because 60420577 - 27 = 60420449 is a prime.

It is a super-2 number, since 2×604205772 = 7301292250025858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60420527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616488 + ... + 616585.

It is an arithmetic number, because the mean of its divisors is an integer number (11714203).

Almost surely, 260420577 is an apocalyptic number.

It is an amenable number.

60420577 is a deficient number, since it is larger than the sum of its proper divisors (9864641).

60420577 is a wasteful number, since it uses less digits than its factorization.

60420577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233087 (or 1233080 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 60420577 is about 7773.0674125470. The cubic root of 60420577 is about 392.3993591618.

The spelling of 60420577 in words is "sixty million, four hundred twenty thousand, five hundred seventy-seven".

Divisors: 1 7 49 1233073 8631511 60420577