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34520481 = 3215832423
BaseRepresentation
bin1000001110101…
…1110110100001
32101221211012100
42003223312201
532314123411
63231521013
7566263542
oct203536641
971854170
1034520481
1118538826
12b689169
1371c8728
1448284c9
15306d456
hex20ebda1

34520481 has 12 divisors (see below), whose sum is σ = 49915008. Its totient is φ = 22989624.

The previous prime is 34520441. The next prime is 34520491. The reversal of 34520481 is 18402543.

34520481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34520481 - 26 = 34520417 is a prime.

It is a super-3 number, since 3×345204813 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (34520441) 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 11 ways as a sum of consecutive naturals, for example, 13036 + ... + 15458.

It is an arithmetic number, because the mean of its divisors is an integer number (4159584).

Almost surely, 234520481 is an apocalyptic number.

It is an amenable number.

34520481 is a deficient number, since it is larger than the sum of its proper divisors (15394527).

34520481 is a wasteful number, since it uses less digits than its factorization.

34520481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012 (or 4009 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 34520481 is about 5875.4132620608. The cubic root of 34520481 is about 325.6059103067.

The spelling of 34520481 in words is "thirty-four million, five hundred twenty thousand, four hundred eighty-one".

Divisors: 1 3 9 1583 2423 4749 7269 14247 21807 3835609 11506827 34520481