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34530481 = 239144479
BaseRepresentation
bin1000001110111…
…0010010110001
32101222022220201
42003232102301
532314433411
63232035201
7566334646
oct203562261
971868821
1034530481
1118545297
12b692b01
13720014b
14482bdcd
1530713c1
hex20ee4b1

34530481 has 4 divisors (see below), whose sum is σ = 34675200. Its totient is φ = 34385764.

The previous prime is 34530443. The next prime is 34530491. The reversal of 34530481 is 18403543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18403543 = 19793419.

It is a cyclic number.

It is not a de Polignac number, because 34530481 - 211 = 34528433 is a prime.

It is a super-2 number, since 2×345304812 = 2384708236182722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34530491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72001 + ... + 72478.

It is an arithmetic number, because the mean of its divisors is an integer number (8668800).

Almost surely, 234530481 is an apocalyptic number.

It is an amenable number.

34530481 is a deficient number, since it is larger than the sum of its proper divisors (144719).

34530481 is a wasteful number, since it uses less digits than its factorization.

34530481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144718.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 34530481 is about 5876.2642044074. The cubic root of 34530481 is about 325.6373481145.

The spelling of 34530481 in words is "thirty-four million, five hundred thirty thousand, four hundred eighty-one".

Divisors: 1 239 144479 34530481