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34078471 = 721315309
BaseRepresentation
bin1000000111111…
…1111100000111
32101010100212121
42001333330013
532211002341
63214230411
7562443100
oct201777407
971110777
1034078471
1118266729
12b4b5407
1370a249b
1447513a7
152ed24d1
hex207ff07

34078471 has 12 divisors (see below), whose sum is σ = 39952440. Its totient is φ = 28981680.

The previous prime is 34078469. The next prime is 34078483. The reversal of 34078471 is 17487043.

It is not a de Polignac number, because 34078471 - 21 = 34078469 is a prime.

It is a super-3 number, since 3×340784713 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34078441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3765 + ... + 9073.

It is an arithmetic number, because the mean of its divisors is an integer number (3329370).

Almost surely, 234078471 is an apocalyptic number.

34078471 is a deficient number, since it is larger than the sum of its proper divisors (5873969).

34078471 is a wasteful number, since it uses less digits than its factorization.

34078471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454 (or 5447 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 34078471 is about 5837.6768495695. The cubic root of 34078471 is about 324.2102195925.

The spelling of 34078471 in words is "thirty-four million, seventy-eight thousand, four hundred seventy-one".

Divisors: 1 7 49 131 917 5309 6419 37163 260141 695479 4868353 34078471