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74023417 = 135694109
BaseRepresentation
bin1000110100110…
…00000111111001
312011021210001001
410122120013321
5122422222132
611202325001
71556121466
oct432300771
9164253031
1074023417
1138869986
1220959761
1312449c50
149b8c66d
156772ce7
hex46981f9

74023417 has 4 divisors (see below), whose sum is σ = 79717540. Its totient is φ = 68329296.

The previous prime is 74023363. The next prime is 74023441. The reversal of 74023417 is 71432047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5067001 + 68956416 = 2251^2 + 8304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74023417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74023517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2847042 + ... + 2847067.

It is an arithmetic number, because the mean of its divisors is an integer number (19929385).

Almost surely, 274023417 is an apocalyptic number.

It is an amenable number.

74023417 is a deficient number, since it is larger than the sum of its proper divisors (5694123).

74023417 is a wasteful number, since it uses less digits than its factorization.

74023417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694122.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 74023417 is about 8603.6862448604. The cubic root of 74023417 is about 419.8779255954.

The spelling of 74023417 in words is "seventy-four million, twenty-three thousand, four hundred seventeen".

Divisors: 1 13 5694109 74023417