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42704079 = 3112116133
BaseRepresentation
bin1010001011100…
…1110011001111
32222100120222120
42202321303033
541413012304
64123144023
71025656455
oct242716317
988316876
1042704079
1122118230
1212375013
138b025b2
1459589d5
153b380d9
hex28b9ccf

42704079 has 16 divisors (see below), whose sum is σ = 62419584. Its totient is φ = 25754400.

The previous prime is 42704041. The next prime is 42704089. The reversal of 42704079 is 97040724.

It is not a de Polignac number, because 42704079 - 27 = 42703951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42704029) 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, 3897 + ... + 10029.

It is an arithmetic number, because the mean of its divisors is an integer number (3901224).

Almost surely, 242704079 is an apocalyptic number.

42704079 is a deficient number, since it is larger than the sum of its proper divisors (19715505).

42704079 is a wasteful number, since it uses less digits than its factorization.

42704079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6358.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 42704079 is about 6534.8358051293. The cubic root of 42704079 is about 349.5342894432.

The spelling of 42704079 in words is "forty-two million, seven hundred four thousand, seventy-nine".

Divisors: 1 3 11 33 211 633 2321 6133 6963 18399 67463 202389 1294063 3882189 14234693 42704079