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60140709 = 326682301
BaseRepresentation
bin1110010101101…
…0110010100101
311012011110112200
43211122302211
5110344000314
65545005113
71330121226
oct345326245
9135143480
1060140709
1130a47672
1218183799
13c5c9025
147db724d
15542e709
hex395aca5

60140709 has 6 divisors (see below), whose sum is σ = 86869926. Its totient is φ = 40093800.

The previous prime is 60140687. The next prime is 60140711. The reversal of 60140709 is 90704106.

It can be written as a sum of positive squares in only one way, i.e., 58476609 + 1664100 = 7647^2 + 1290^2 .

It is not a de Polignac number, because 60140709 - 27 = 60140581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60140749) 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, 3341142 + ... + 3341159.

It is an arithmetic number, because the mean of its divisors is an integer number (14478321).

Almost surely, 260140709 is an apocalyptic number.

It is an amenable number.

60140709 is a deficient number, since it is larger than the sum of its proper divisors (26729217).

60140709 is a wasteful number, since it uses less digits than its factorization.

60140709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682307 (or 6682304 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 60140709 is about 7755.0441004549. The cubic root of 60140709 is about 391.7925569263.

The spelling of 60140709 in words is "sixty million, one hundred forty thousand, seven hundred nine".

Divisors: 1 3 9 6682301 20046903 60140709