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75076613 = 563133351
BaseRepresentation
bin1000111100110…
…01010000000101
312020021021202022
410132121100011
5123204422423
611241052525
71601066153
oct436312005
9166237668
1075076613
1139419197
1221187145
1312728441
149d843d3
1568cedc8
hex4799405

75076613 has 4 divisors (see below), whose sum is σ = 75210528. Its totient is φ = 74942700.

The previous prime is 75076601. The next prime is 75076643. The reversal of 75076613 is 31667057.

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: 31667057 = 157201701.

It is a cyclic number.

It is not a de Polignac number, because 75076613 - 26 = 75076549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75076643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66113 + ... + 67238.

It is an arithmetic number, because the mean of its divisors is an integer number (18802632).

Almost surely, 275076613 is an apocalyptic number.

It is an amenable number.

75076613 is a deficient number, since it is larger than the sum of its proper divisors (133915).

75076613 is a wasteful number, since it uses less digits than its factorization.

75076613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133914.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 75076613 is about 8664.6761624425. The cubic root of 75076613 is about 421.8598791325.

The spelling of 75076613 in words is "seventy-five million, seventy-six thousand, six hundred thirteen".

Divisors: 1 563 133351 75076613