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64060073 = 7117910531
BaseRepresentation
bin1111010001011…
…1101010101001
311110112120220022
43310113222221
5112344410243
610205010225
71405334030
oct364275251
9143476808
1064060073
1133184310
1219553975
131036bc8c
148717717
155955b68
hex3d17aa9

64060073 has 16 divisors (see below), whose sum is σ = 80885760. Its totient is φ = 49280400.

The previous prime is 64060069. The next prime is 64060103. The reversal of 64060073 is 37006046.

It is a cyclic number.

It is not a de Polignac number, because 64060073 - 22 = 64060069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64060033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818 + ... + 11348.

It is an arithmetic number, because the mean of its divisors is an integer number (5055360).

Almost surely, 264060073 is an apocalyptic number.

It is an amenable number.

64060073 is a deficient number, since it is larger than the sum of its proper divisors (16825687).

64060073 is a wasteful number, since it uses less digits than its factorization.

64060073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10628.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 64060073 is about 8003.7536818670. The cubic root of 64060073 is about 400.1251129461.

The spelling of 64060073 in words is "sixty-four million, sixty thousand, seventy-three".

Divisors: 1 7 11 77 79 553 869 6083 10531 73717 115841 810887 831949 5823643 9151439 64060073