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76073513 = 283268811
BaseRepresentation
bin1001000100011…
…00101000101001
312022010221020112
410202030220221
5123433323023
611314304105
71612420445
oct442145051
9168127215
1076073513
1139a3a17a
1221588035
13129b7119
14a163825
156a2a478
hex488ca29

76073513 has 4 divisors (see below), whose sum is σ = 76342608. Its totient is φ = 75804420.

The previous prime is 76073507. The next prime is 76073531. The reversal of 76073513 is 31537067.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31537067 = 53595039.

It is a cyclic number.

It is not a de Polignac number, because 76073513 - 210 = 76072489 is a prime.

It is a super-2 number, since 2×760735132 = 11574358760322338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 76073513.

It is not an unprimeable number, because it can be changed into a prime (76073533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134123 + ... + 134688.

It is an arithmetic number, because the mean of its divisors is an integer number (19085652).

Almost surely, 276073513 is an apocalyptic number.

It is an amenable number.

76073513 is a deficient number, since it is larger than the sum of its proper divisors (269095).

76073513 is a wasteful number, since it uses less digits than its factorization.

76073513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269094.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 76073513 is about 8722.0131277131. The cubic root of 76073513 is about 423.7188881420.

The spelling of 76073513 in words is "seventy-six million, seventy-three thousand, five hundred thirteen".

Divisors: 1 283 268811 76073513