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76243245 = 3513390991
BaseRepresentation
bin1001000101101…
…10000100101101
312022110120001220
410202312010231
5124004240440
611322053553
71614025341
oct442660455
9168416056
1076243245
113a045751
122164a2b9
1312a46460
14a1a9621
156a608d0
hex48b612d

76243245 has 16 divisors (see below), whose sum is σ = 131373312. Its totient is φ = 37535040.

The previous prime is 76243243. The next prime is 76243289. The reversal of 76243245 is 54234267.

It is not a de Polignac number, because 76243245 - 21 = 76243243 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76243241) 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, 195301 + ... + 195690.

It is an arithmetic number, because the mean of its divisors is an integer number (8210832).

Almost surely, 276243245 is an apocalyptic number.

It is an amenable number.

76243245 is a deficient number, since it is larger than the sum of its proper divisors (55130067).

76243245 is a wasteful number, since it uses less digits than its factorization.

76243245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391012.

The product of its digits is 40320, while the sum is 33.

The square root of 76243245 is about 8731.7377995448. The cubic root of 76243245 is about 424.0337819441.

The spelling of 76243245 in words is "seventy-six million, two hundred forty-three thousand, two hundred forty-five".

Divisors: 1 3 5 13 15 39 65 195 390991 1172973 1954955 5082883 5864865 15248649 25414415 76243245