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74934495 = 3251665211
BaseRepresentation
bin1000111011101…
…10100011011111
312020000001210200
410131312203133
5123140400440
611234034543
71566634626
oct435664337
9166001720
1074934495
1139331439
1221118a53
13126a884c
149d486bd
1568a2c30
hex47768df

74934495 has 12 divisors (see below), whose sum is σ = 129886536. Its totient is φ = 39965040.

The previous prime is 74934491. The next prime is 74934539. The reversal of 74934495 is 59443947.

It is a happy number.

74934495 is a `hidden beast` number, since 74 + 93 + 4 + 495 = 666.

It is not a de Polignac number, because 74934495 - 22 = 74934491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1665211 = 74934495 / (7 + 4 + 9 + 3 + 4 + 4 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 74934495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74934491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 832561 + ... + 832650.

It is an arithmetic number, because the mean of its divisors is an integer number (10823878).

Almost surely, 274934495 is an apocalyptic number.

74934495 is a deficient number, since it is larger than the sum of its proper divisors (54952041).

74934495 is a wasteful number, since it uses less digits than its factorization.

74934495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665222 (or 1665219 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 74934495 is about 8656.4712787602. The cubic root of 74934495 is about 421.5935212078.

The spelling of 74934495 in words is "seventy-four million, nine hundred thirty-four thousand, four hundred ninety-five".

Divisors: 1 3 5 9 15 45 1665211 4995633 8326055 14986899 24978165 74934495